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/world-us-canada-32982217

The article has changed 7 times. There is an RSS feed of changes available.

Version 1 Version 2
Terror police shoot man dead in Boston Terror police shoot man dead in Boston
(35 minutes later)
Anti-terror police have shot and killed a man who was under surveillance in a car park in Boston.Anti-terror police have shot and killed a man who was under surveillance in a car park in Boston.
Police say he attacked officers with a large knife after being approached by a Boston police officer and an FBI agent.Police say he attacked officers with a large knife after being approached by a Boston police officer and an FBI agent.
The shooting took place early on Tuesday morning outside a CVS pharmacy in the residential Roslindale neighbourhood of Boston.The shooting took place early on Tuesday morning outside a CVS pharmacy in the residential Roslindale neighbourhood of Boston.
Officials have not yet released the man's identity or the reason he was under surveillance.Officials have not yet released the man's identity or the reason he was under surveillance.
"Our officers tried their best to get him to put down the knife,'' Boston Police Commissioner William B Evans told the Boston Globe newspaper."Our officers tried their best to get him to put down the knife,'' Boston Police Commissioner William B Evans told the Boston Globe newspaper.
"Unfortunately, they had to take a life.''"Unfortunately, they had to take a life.''
Officials say the man refused multiple orders to drop his weapon before charging at the officers.Officials say the man refused multiple orders to drop his weapon before charging at the officers.
At a rainy press conference near the crime scene, Commissioner Evans described man as in "mid 20s", travelling on foot, and carrying a black "military-style knife". At a rainy press conference near the crime scene, Commissioner Evans described the man as in "mid 20s", travelling on foot, and carrying a black "military-style knife".
Some US media have reported the weapon as a machete.Some US media have reported the weapon as a machete.
The suspect was taken to hospital, where he was pronounced dead.The suspect was taken to hospital, where he was pronounced dead.
The two officers are in hospital to be examined for stress, but did not suffer physical injuries, police said.The two officers are in hospital to be examined for stress, but did not suffer physical injuries, police said.