This article is from the source 'bbc' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.bbc.co.uk/news/uk-29519757

The article has changed 5 times. There is an RSS feed of changes available.

Version 0 Version 1
Four men arrested on terrorism charges in London Four men arrested on terrorism charges in London
(about 1 hour later)
Four men have been arrested in London on suspicion of terror offences as part of an investigation into Islamist-related terrorism, police have said.Four men have been arrested in London on suspicion of terror offences as part of an investigation into Islamist-related terrorism, police have said.
The men - two aged 21 and two aged 20 - were held by counter-terrorism police. A 21-year-old was Tasered by officers. The men - two aged 21 and two aged 20 - were held by counter-terrorism police.
They were arrested on suspicion of being concerned in the commission, preparation or instigation of acts of terrorism, Scotland Yard said.They were arrested on suspicion of being concerned in the commission, preparation or instigation of acts of terrorism, Scotland Yard said.
They were taken to police stations in central London and remain in custody. Whitehall officials told the BBC the arrests "may have foiled the early stages of attack planning in the UK".
They said one individual had spent time in Syria. There was no word on alleged targets or how far advanced the alleged plot was.
Those arrested were taken to police stations in central London and remain in custody.
A number of residential addresses and vehicles are continuing to be searched by specialist officers in west and central London as part of the investigation.A number of residential addresses and vehicles are continuing to be searched by specialist officers in west and central London as part of the investigation.
Firearms officers assisted in one of the arrests but no shots were fired.Firearms officers assisted in one of the arrests but no shots were fired.
The man who was Tasered was not injured and did not require medical treatment, police said. A 21-year-old who was Tasered by officers was not injured and did not require medical treatment, police said.