Reuters photos show 4 people lying near UK parliament, bleeding heavily

LONDON  - At least four people were lying on the ground, some bleeding heavily and apparently unconscious, on Westminster Bridge near Britain's parliament on Wednesday, Reuters photographs showed.
One of the photographs showed a body lying under the wheels of a London bus.
An assailant was shot outside parliament by armed police, the leader of the House of Commons said on Wednesday after loud bangs were heard and a Reuters photographer saw at least a dozen injured people on the nearby bridge.