An endangered seabird rescued by wildlife experts was deliberately run over and killed in a McDonald's car park just weeks after being released.<br /><br />The great blacked gull named Albert Tross was hit by a car repeatedly in the fast food chain's car park in Harwich, Essex.<br /><br />Great blacked gulls are red-listed as a bird of conservation concern and it is illegal to intentionally kill them.<br /><br />RSPCA officials are investigating the incident.