23/03/2017 20:21 SAST | Updated 23/03/2017 20:25 SAST

UK Police Say All Those Held After UK Westminster Attack Are Suspected Of Preparing Terrorist Acts

More properties are still being searched.

REUTERS/Stefan Wermuth
People attend a vigil in Trafalgar Square the day after an attack, in London, Britain, on March 23, 2017.

All eight people arrested after a lone assailant attacked the British parliament killing three people are suspected of preparing terrorist acts, London police said on Thursday.

They were still searching properties in Wales, the central city of Birmingham and east London.

Hundred of detectives are involved in the investigation, police said in a statement.