The dead bomber: CNN carry the fullest account I've read of the last seconds of what looks to have been an intended suicide bomber. It includes a certain ethnic element of the main witness account that the BBC leave out.

CNN: "He looked like a Pakistani but he had a baseball cap on, and quite a thickish coat. It was a coat like you would wear in winter, a sort of padded jacket."

BBC: "He [the suspect] had a baseball cap on and quite a sort of thickish coat - it was a coat you'd wear in winter, sort of like a padded jacket.

The CNN account certainly assists the visualisation process for what it's worth.