成人快手

A police officer has been stabbed in the Houses of Parliament in central London, in what police are treating as a terrorist incident. There are also reports of as many as five people being "mowed down" on nearby Westminster Bridge.

(Photo: An armed police officer guards inside a police cordon outside the Houses of Parliament in central London on 22 March 2017. Credit: Daniel Leal-Olivas/AFP/Getty Images)