A man in his 50s was in critical condition this afternoon after his leg was run over by a truck and then hit by a falling tombstone near Toronto Necropolis cemetery, according to Toronto Paramedic Services. Medical personnel responded to the call at about 1:30 p.m. in Cabbagetown and said the man suffered life-threatening injuries after a tombstone toppled off the back of the truck. Paramedics transported the unidentified man to hospital. His current condition is unknown.