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Help identify 'aspiring terrorists' - Scotland Yard Help identify 'aspiring terrorists' - Scotland Yard
(35 minutes later)
The UK's head of counter-terrorism has appealed to the public to help identity people who have travelled to Syria or are showing signs of being radicalised. The UK's head of counter-terrorism has appealed to the public to help identify people who have travelled to Syria or are showing signs of being radicalised.
Assistant Commissioner Mark Rowley made his appeal amid attempts to identify a British man believed to have killed US journalist James Foley in Syria. Assistant Commissioner Mark Rowley made his appeal after the murder of US journalist James Foley in Syria.
An Islamic State (IS) militant with an English accent appears in the group's video of the killing of Mr Foley. "Significant progress" has been made attempts to identify an Islamic State militant with an English accent seen in a video of the killing, said AC Rowley.
Efforts to counter the extremist threat have been redoubled, Number 10 said. Counter-terrorism arrests are running at five times last year's levels.
AC Rowley, of the Metropolitan Police, said: "We are appealing to the public, family members and friends to help identify aspiring terrorists. This is because of the threat posed by would-be jihadists travelling to and from Syria, said AC Rowley of the Metropolitan Police, the National Policing Lead for Counter Terrorism.
He also described the growth in numbers of dangerous individuals as challenging, as many of those going to Syria are not on the security services' radar.
Birmingham and London have seen the biggest growth in Syria-related investigations.
AC Rowley said: "We are appealing to the public, family members and friends to help identify aspiring terrorists.
"They may be about to travel abroad, have just returned or be showing signs of becoming radicalised.""They may be about to travel abroad, have just returned or be showing signs of becoming radicalised."
'Negative impact' He asked for people to watch out for any suspicious change in behaviour, such as selling their possessions or raising money to travel abroad.
AC Rowley said progress was being made in the investigation to find the man seen in the video that showed the moments before and after the apparent beheading of 40-year-old Mr Foley, but would not go into further details.
He said: "Every reasonable person in the country has been touched by the pitiless murder of James Foley at the hands of Islamic State terrorists, and the murderer's apparent British nationality has focused attention on extremism in the UK as well as the Middle East."
'Generational struggle'
Earlier, the prime minister's spokeswoman said the threat posed by Britons fighting with IS militants would be a "generational struggle".Earlier, the prime minister's spokeswoman said the threat posed by Britons fighting with IS militants would be a "generational struggle".
People who went to Syria and Iraq would be investigated by police, she added.People who went to Syria and Iraq would be investigated by police, she added.
The spokeswoman had no comment to make on progress in efforts to identify the masked man who appears in the footage, which shows the moments before and after the apparent beheading of the 40-year-old.The spokeswoman had no comment to make on progress in efforts to identify the masked man who appears in the footage, which shows the moments before and after the apparent beheading of the 40-year-old.
The Foreign Office and Home Office had earlier refused to comment on remarks by Britain's ambassador to the US that the UK was close to identifying the suspected British jihadist. The Foreign Office and Home Office have so far refused to comment on remarks by Britain's ambassador to the US that the UK is close to identifying the suspected British jihadist.
The spokeswoman was also asked about a newspaper article by Mayor of London Boris Johnson in which he said that Britons who travel to "war areas" should be presumed potential terrorists unless they can prove otherwise.
She said that it was "not an idea I am aware the agencies are pushing".
Meanwhile, the Muslim Council of Britain's deputy secretary general has said that the government's anti-terrorism Prevent strategy is having a "negative impact".Meanwhile, the Muslim Council of Britain's deputy secretary general has said that the government's anti-terrorism Prevent strategy is having a "negative impact".
The scheme seeks to lessen the influence of extremism but Harun Khan told BBC Radio 5 live it alienated young Muslims and pushed them towards radical groups.The scheme seeks to lessen the influence of extremism but Harun Khan told BBC Radio 5 live it alienated young Muslims and pushed them towards radical groups.
Prevent, which is part of the government's broader counter-terrorism strategy, aims to "stop people becoming terrorists or supporting terrorism".