O'Halloran managed to travel 75 yards on his scooter before asking member of public for help, say police An elderly man fatally stabbed while riding his mobility scooter in west London has been named as Thomas O'Halloran. Detectives said the 87-year-old was stabbed on Western Avenue in Greenford and managed to travel 75 yards on his scooter before asking a member of the public for help in nearby Runnymede Gardens.