A 34-year-old man has suffered minor injuries after becoming impaled on an eight-inch rusty spike while sunbathing naked on a beach.The injured man had been drinking with two friends and his girlfriend near Haslar Lake, Gosport, Hampshire, when the accident happened on Wednesday.He slipped on his way to the toilet and became impaled through his groin.After firefighters lifted him off the spike, paramedics gave him oxygen and took him to hospital.He is being treated at Queen Alexandra Hospital in Portsmouth.