By Ffion Lewis A man who died after being bitten by his pet lizard suffered complications linked to the animal’s venom, an autopsy has shown. Christopher Ward, 34, was placed on life support after being bitten by one of his pet Gila monsters on February 12 but died four days later. Now an autopsy into the Colorado man’s death has shown that he was subjected to a four-minute bite by his pet. The autopsy, conducted by the Jefferson County Coroner’s Office on February 18, said Christopher wavered in and out of consciousness for about two hours before seeking medical attention. At the hospital, he…