<sod >Police investigating the suspected poisoning of a former Russian spy are examining CCTVÂ showing the last movements of Sergei Skripal and his daughter before they fell unconscious.< eod>< sod > Police investigating the suspected poisoning of a former Russian spy are examining CCTVÂ believed to showÂ the last movements of Sergei Skripal and his daughter before they fell unconscious.< eod>