A -57-year-old man with life-threatening injuries was taken to London hospital by air ambulance after a “serious” single-vehicle motorcycle collision Saturday in Port Lambton, police say. Local fire and emergency medical services personnel also responded around 8:30 p.m. to the crash on St. Clair Parkway, police said. Article contentThe road was closed between West French Line and West Holt Line for several hours for investigation and cleanup, and reopened around 3 a.m. Sunday, police said. Collision witnesses and people with dash camera footage are asked to contact Lambton OPP or Crime Stoppers. “The OPP thanks the public for their patience and co-operation,” police said in the news release.