Footage emerged on Wednesday night that showed a man who appeared to be Mr Rowley being wheeled from a house in Amesbury on a stretcher by paramedics…. A major incident was declared in the city yesterday with several locations sealed off, after a man and woman in their 40s became unwell with similar symptoms to the Skripals. A Salisbury couple taken critically ill at the weekend may have been poisoned by the same nerve agent used against former Russian spy, Sergei Skripal and his daughter, Yulia, police fear. Charles Rowley, 45, and girlfriend, Dawn Sturgess, 44, remained critically ill in Salisbury District Hospital last night, after being exposed to what police described as an “unknown substance”. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.