Leg in river belonged to missing mum

Putin agents’ deadly strike

March 2: Hitmen Alexander Petrov and Ruslan Boshirov fly from Moscow to Gatwick on Aeroflot flight SU2588. Novichok is in a fake perfume bottle in hand luggage. March 3: They check in at City Stay Hotel in Bow, East London, get train to Salisbury for reconnaissance mission – then return to London. March 4: Smirking assassins seen on CCTV back in Salisbury before spraying the nerve agent on Sergei Skripal’s front door. Victim and daughter Yulia visit Zizzi’s diner and The Mill pub before being found slumped on park bench. They spend weeks in hospital before recovering and are now in a safe house.

March 12: Theresa May says it is “highly likely” Russia is behind the poisoning and expels 23 diplomats. Twenty-seven countries follow suit. March 17: Russia retaliates by expelling the same number of British diplomats.

March 22: Det Sgt Nick Bailey, taken ill after attending the scene, is discharged from hospital.

June 27: Charlie Rowley finds perfume bottle in a bin in Salisbury. Girlfriend Dawn Sturgess sprays it on her wrists. She dies 10 days later. Charlie is hospitalised but survives. July 4: Police declare a “major incident” after revealing Dawn and Charlie had been exposed to an “unknown substance”.

July 5: Home Secretary Sajid Javid accuses Russia of using Britain as a “dumping ground for poison” and demands answers. Sept 5: CPS announces charges against Petrov and Boshirov, who are identified as GRU spies loyal to President Vladimir Putin.

Sept 13: Pair appear on Russian

TV, claiming they went to Salisbury as tourists to see cathedral “famed for its 123metre spire and clock”.

CAUTION Cop wears protective suit