No fantasy. They were tailing a guy, he ran for it. They caught him trying to get onto a train, threw him down, sat on him and gave him five rounds rapid at close quarters.
If you pick up the BBC video feed on their website, they'll have the witnesses back on describing this shortly. He's on right now describing it.
"I saw an asian guy got on train. he was half tripped by them, there was a sort of melee, they held him down and the third guy shot him five times"
There's all kinds of other stuff going on right now. Too much to describe but lots of guys in plainclothes and cops in flak jackets running round with H&K carbines and so on.
They've also just stormed a flat near Harrow Road with some reports of half a dozen or so shots being fired.
"Asian" is Brit code for?