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UK police have asked the public for more information after what they described as a “terror incident” around the Houses of Parliament. (See our live blog here.)
Extra police officers, armed and unarmed, will be deployed around London this evening, Scotland Yard said in a brief press conference.
Police are “open-minded to the motive” for the attacks, said Metropolitan Police commander BJ Harrington. He asked the public to avoid the area around the incident, and said he could not confirm the number of casualties or the nature of their injuries. Some police officers have been injured, he added.
The London Ambulance Service said it had treated “at least 10 patients on Westminster Bridge” where an assailant is believed to have driven into several pedestrians.
Separately, Downing Street said prime minister Theresa May will chair a meeting of the government’s emergency Cobra committee later today.