One London attacker known to UK police

British police have released the names of two of the London Bridge terrorists.

One was 30-year-old Rachid Redouane, who claimed to be Moroccan and Libyan. He also used the name Rachid Elkhdar.

The other was Khuram Shazad Butt, aged 27. Butt was a British citizen born in Pakistan.

National investigative force MI5 had looked at him in the past, for unspecified reasons.

Police do not yet know the identity of the third attacker.