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Boston bombings: Obama condemns 'act of terrorism' Boston bombings: Obama condemns 'act of terrorism'
(35 minutes later)
US President Barack Obama has condemned the twin bombing at the Boston Marathon as a "terrorist act".US President Barack Obama has condemned the twin bombing at the Boston Marathon as a "terrorist act".
He said the attack, close to the finishing line, was "heinous and cowardly", but that the motive and culprit were not yet known. He said attack, close to the finishing line, was "heinous and cowardly", but that the motive and culprit were not yet known and no-one was in custody.
Three people were killed, including an eight-year-old boy, and more than 170 injured by the bombs.Three people were killed, including an eight-year-old boy, and more than 170 injured by the bombs.
The FBI, which is running the investigation, has said there are no "known additional threats" to Boston.The FBI, which is running the investigation, has said there are no "known additional threats" to Boston.
Doctors treating the wounded say a number of people have had pellets and "nail-like" fragments removed from their bodies, indicating the bombs contained shrapnel.Doctors treating the wounded say a number of people have had pellets and "nail-like" fragments removed from their bodies, indicating the bombs contained shrapnel.
In his first briefing after Monday's attacks, Mr Obama had refrained from referring to terror attacks - a choice of words that drew criticism from some quarters.In his first briefing after Monday's attacks, Mr Obama had refrained from referring to terror attacks - a choice of words that drew criticism from some quarters.
But on Tuesday he insisted: "Any time bombs are used to target innocent civilians it is an act of terrorism." But on Tuesday he said: "Any time bombs are used to target innocent civilians it is an act of terrorism."
He stressed that it was not yet known whether an organisation - either domestic or foreign - or a "malevolent individual" was responsible, nor what the motive might have been. He stressed it was not yet known whether an organisation - either domestic or foreign - or a "malevolent individual" was responsible, nor what the motive might have been.
"Everything else at this point is speculation," he said."Everything else at this point is speculation," he said.
"It will take time... but we will find whoever harmed our citizens and we will bring them to justice.""It will take time... but we will find whoever harmed our citizens and we will bring them to justice."
The president praised the emergency services and members of the public who responded to the blasts, and said: "The American people refuse to be terrorised." 'Despicable crime'
Police say no-one is in custody in connection with the attack. The first explosion went off close to the finish line at about 14:50 local time (18:50 GMT) on Monday.
Two devices
The first of the explosions went off close to the marathon finish line at about 14:50 local time (18:50 GMT) on Monday.
Seconds later, as rescuers were rushing to help the injured, another explosion went off nearby.Seconds later, as rescuers were rushing to help the injured, another explosion went off nearby.
There were early reports that other suspected devices had been found, but speaking in Boston on Tuesday, the governor of Massachusetts, Deval Patrick, said it was "important to clarify that two, and only two, explosive devices were found yesterday". There were early reports that other suspect devices had been found, but speaking in Boston on Tuesday, the governor of Massachusetts, Deval Patrick, said it was "important to clarify that two, and only two, explosive devices were found yesterday".
Mr Patrick said all other suspect parcels had been examined and discounted.Mr Patrick said all other suspect parcels had been examined and discounted.
The FBI said it had no advance warning of a specific threat to the marathon.The FBI said it had no advance warning of a specific threat to the marathon.
Richard DesLauriers, the agent in charge of the investigation, moved to reassure the public, saying there was no longer any "known imminent physical threat" to Boston.Richard DesLauriers, the agent in charge of the investigation, moved to reassure the public, saying there was no longer any "known imminent physical threat" to Boston.
Police had received "voluminous tips" from the public since the bombings, he said, urging people to co-operate with investigators.Police had received "voluminous tips" from the public since the bombings, he said, urging people to co-operate with investigators.
"We will go to the ends of the Earth to identify the subject or subjects who are responsible for this despicable crime, and we will do everything we can to bring them to justice," he said. "We will go to the ends of the Earth to identify the subject or subjects who are responsible for this despicable crime, and we will do everything we can to bring them to justice," Mr DesLauriers said.
Police have appealed to the public to send in any videos or photographs they may have from the day to help with enquiries. Police want the public to send in any videos or photographs they may have from the day.
"There have to be hundreds if not thousands of photographs or videos or observations that were made down at that finish line," said Timothy Alban of the Massachusetts State Police. Timothy Alban of the Massachusetts State Police said: "There have to be hundreds if not thousands of photographs or videos or observations that were made down at that finish line.
"You might not think it's significant but it might have some value to this investigation.""You might not think it's significant but it might have some value to this investigation."
Officials have not confirmed how the devices were made, but doctors treating the wounded have said their injuries indicate that the bombs contained metal shards and other shrapnel. The type of device used in the attack has not been made public, but doctors treating the wounded have said their injuries indicate that the bombs contained metal shards and other shrapnel.
George Velmahos, chief of trauma surgery at Massachusetts General Hospital, where many of the wounded are being treated, said some people had arrived with more than 40 pieces of shrapnel in their bodies. A number of victims have had limbs amputated.
"Many of them have severe wounds, mostly in the lower part of their bodies - wounds related to the blast effect of the bomb, as well as small metallic fragments that entered their body - pellets, shrapnel, nails," he said. George Velmahos, chief of trauma surgery at Massachusetts General Hospital, where many of the wounded were taken, said some had blast wounds "as well as small metallic fragments that entered their body - pellets, shrapnel, nails".
He said the bombs had probably contained "multiple metallic fragments", and that the hospital had carried out four amputations. Unnamed security sources have been quoted in US media as saying at least one of the bombs was placed inside a pressure cooker packed with ball bearings and nails. This has not been officially confirmed.
Child killed Victims named
Eight-year-old Martin Richard, from the Dorchester area of the city, has been named as one of those who died.Eight-year-old Martin Richard, from the Dorchester area of the city, has been named as one of those who died.
He was at the finishing line with his mother and sister, who were both seriously injured.He was at the finishing line with his mother and sister, who were both seriously injured.
"They were looking in the crowd as the runners were coming to see if they could identify some of their friends when the bomb hit," Congressman Stephen Lynch, a friend of the Richard family, told the Associated Press. "They were looking in the crowd as the runners were coming to see if they could identify some of their friends when the bomb hit," Congressman Stephen Lynch, a friend of the Richard family, told Associated Press.
He said Martin's brother and his father, Bill, were also injured.He said Martin's brother and his father, Bill, were also injured.
Bill Richard released a statement thanking friends and supporters. "I ask that you continue to pray for my family as we remember Martin," it said.Bill Richard released a statement thanking friends and supporters. "I ask that you continue to pray for my family as we remember Martin," it said.
Flowers and tributes were being placed outside the family's home on Tuesday.Flowers and tributes were being placed outside the family's home on Tuesday.
A second victim was named in US media as Krystle Campbell, a 29-year-old restaurant manager.A second victim was named in US media as Krystle Campbell, a 29-year-old restaurant manager.
Her father released a statement saying the family was devastated, the Associated Press reports. Her father released a statement saying the family was devastated, AP reports.
Some 23,000 runners were taking part in this year's Boston marathon, which was being watched by hundreds of thousands of spectators.Some 23,000 runners were taking part in this year's Boston marathon, which was being watched by hundreds of thousands of spectators.
The marathon is held on Patriots' Day, a Massachusetts state holiday which commemorates the first battles of the American Revolution in 1775.The marathon is held on Patriots' Day, a Massachusetts state holiday which commemorates the first battles of the American Revolution in 1775.
The London Marathon - the next major international marathon - is to go ahead on Sunday, with police saying they have well-rehearsed security plans.The London Marathon - the next major international marathon - is to go ahead on Sunday, with police saying they have well-rehearsed security plans.
Organisers have said they will hold a 30-second silence at the start as a mark of respect for Boston's loss.Organisers have said they will hold a 30-second silence at the start as a mark of respect for Boston's loss.