Novichok Poisoning: Specialist Officers Search Central City Park

Police officers guard the entrance to a housing estate on Muggleton Road, after it was confirmed that two people had been poisoned with the nerve-agent novichok, in Amesbury, Britain, July 5, 2018. Reuters/Henry Nicholls

Specialist counter-terrorism officers investigating the novichok nerve agent poisonings in Wiltshire have started to search a central city park.

The nerve agent killed Dawn Sturgess, 44, and left her partner, Charlie Rowley, 45, in serious condition.