But here's what we know according to the official account, with rough timings. 1/6
13.30: Sergei and Yulia leave the house, both touching the front door and so becoming exposed to a nerve agent said to be eight times more lethal than VX, which kills in minutes.
13.45: The Skripals are seen on CCTV... 3/6
14.00: The Skripals have a meal at Zizzi restaurant.
15.00: They go for a drink at The Mill pub. 4/6
They are taken to hospital and treated for suspected drugs overdose. There is no suspicion they have a lethal nerve agent... 5/6
The day ends with Sergei and Yulia in hospital with an undetected amount of lethal nerve agent in their systems. 6/6