A 48-year-old woman was rushed to hospital in critical condition after almost drowning at Rondeau Provincial Park on Thursday afternoon.
The woman fell off an inflatable raft and failed to resurface, said Chatham-Kent OPP, who were called at approximately 2:15 p.m.
People on the shore swam out to rescue her. She was unconscious. They began performing CPR.
Emergency responders continued the CPR and took her to hospital.
No update on her condition has been released.