A passer-by has sparked anger after he appeared to take a photograph with a selfie stick in front of ambulances sent out for the terror attack in Westminster.
Social media users were enraged after a man wearing sunglasses was captured apparently posing in front of the busy emergency services near Parliament.
At least five people have died and more than 20 were wounded, some with "catastrophic injuries", following a suspected terror attack in London.
Scotland Yard has confirmed it is investigating a "terrorist incident".