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Downing Street knifeman arrested Downing Street knifeman arrested
(10 minutes later)
A knifeman has been arrested after scaling a 6ft fence into the secure area outside the prime minister's residence in Downing Street.A knifeman has been arrested after scaling a 6ft fence into the secure area outside the prime minister's residence in Downing Street.
Tony Blair was at home when the intruder was spotted at the back of Number 10 on Sunday night, but police said he was not "at risk".Tony Blair was at home when the intruder was spotted at the back of Number 10 on Sunday night, but police said he was not "at risk".
A police officer challenged the man who was arrested after a brief struggle, when a large kitchen knife was found.A police officer challenged the man who was arrested after a brief struggle, when a large kitchen knife was found.
A man is being held on suspicion of affray and assaulting a police officer.A man is being held on suspicion of affray and assaulting a police officer.
Scotland Yard confirmed Tony Blair was at Number 10 at the time but said: "We are satisfied that at no time was the Prime Minister at risk." Scotland Yard confirmed Tony Blair was at Number 10 at the time but said: "We are satisfied that at no time was the prime minister at risk."
Security reviewSecurity review
A further layer of security exists between the outer secure area and the garden behind Number 10.A further layer of security exists between the outer secure area and the garden behind Number 10.
The man is understood to have climbed the iron fence in Horse Guards Parade before being tackled by a police protection officer as soon as he dropped onto the other side.The man is understood to have climbed the iron fence in Horse Guards Parade before being tackled by a police protection officer as soon as he dropped onto the other side.
Police said the intruder lunged at the officer, but it is not thought he produced the knife. He was then pinned to the ground while the officer waited for back up.Police said the intruder lunged at the officer, but it is not thought he produced the knife. He was then pinned to the ground while the officer waited for back up.
Scotland Yard said security at the back of Downing Street would be reviewed as a result of the incident.Scotland Yard said security at the back of Downing Street would be reviewed as a result of the incident.
Doctors are examining the man to establish whether he is fit to be interviewed.Doctors are examining the man to establish whether he is fit to be interviewed.