Own up, which one of you was it?

[MrsGoof]

I wonder Whether he will be detained under the terrorism act?

Depends on his colour / religion !

[Ardesco]

He was probably trying to peek at Cherie in her underwear. Knife was for self-defence.

Well at least his has his temporary insanity defence in court nailed if this was the case, I can't see anybody not beliving he was off his rocker

[sasguru]

Other suspects would be :

...

Andyw - Well, just because he's Andyw really.

Looking for a spot of anal fisting?

[zathras]

Perhaps he should n't have jumped the queue

[DaveB]

It was Chico, concerned that El Presidente was not doing enough to hasten the end of the world in the Middle East

Other suspects would be :

Threaded trying retrieve a chicken and mushroom pie left behind when he was visiting Gladstone in his time machine.

Caribean Pirate who was actually trying to get to Gordo at No. 11 to "Sort out" his tax situation.

Andyw - Well, just because he's Andyw really.

[sunnysan]

I wonder

Whether he will be detained under the terrorism act?

[sasguru]

It was Chico, concerned that El Presidente was not doing enough to hasten the end of the world in the Middle East

[AtW]

He was probably trying to peek at Cherie in her underwear. Knife was for self-defence.

[DaveB]

From the BBC

A list of suspects can probably be provided by trawling the member list for those recently banned or otherwise disspeared

[Pondlife]

Downing Street knifeman arrested.
Police confirmed Tony Blair was inside at the time of the incident
A knifeman has been arrested after scaling the fence into the secure area outside the prime minister's residence in Downing Street.

From the BBC