Police release CCTV footage of two suspects in Salisbury nerve agent attack

Detectives investigating the Salisbury and Amesbury nerve agent incidents released footage of the two suspects as they made a new appeal for information from the public.
CCTV footage of the two suspects - known by their aliases Alexander Petrov and Ruslan Boshirov - shows them as they arrive and travel around Salisbury on Sunday 4 March.