Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

LONDON, ENGLAND - MARCH 22:  A member of the public is treated by emergency services near Westminster Bridge and the Houses of Parliament on March 22, 2017 in London, England. A police officer has been stabbed near to the British Parliament and the alleged assailant shot by armed police. Scotland Yard report they have been called to an incident on Westminster Bridge where several people have been injured by a car.  (Photo by Carl Court/Getty Images)
LONDON, ENGLAND - MARCH 22:  A member of the public is treated by emergency services near Westminster Bridge and the Houses of Parliament on March 22, 2017 in London, England. A police officer has been stabbed near to the British Parliament and the alleged assailant shot by armed police. Scotland Yard report they have been called to an incident on Westminster Bridge where several people have been injured by a car.  (Photo by Carl Court/Getty Images)

    JUST WATCHED

    Scotland Yard: There are several casualties

MUST WATCH

Scotland Yard: There are several casualties

An official with Scotland Yard confirms a counter terror investigation is underway after at least one person was killed and many others injured in an attack in London.

Scotland Yard: There are several casualties

An official with Scotland Yard confirms a counter terror investigation is underway after at least one person was killed and many others injured in an attack in London.