Peter Zervas, 32, underwent emergency surgery after being shot in the right shoulder, hip, foot and chest as the Hells Angel motorcycle gang member sat in his car in the driveway of his Lakemba unit about 11.30pm (AEDT) on Sunday.Hells Angel bikie gunned down outside his home may have been a key witness to the Sydney airport bashing murder of his brother, but a Comancheros lawyer says that doesn't mean the Comancheros shot him.An unidentified man with shoulder-length dark hair was seen running from the scene."It is an extraordinary level of violence...