A grandfather valiantly fended off robbers as they tried to steal his £18,000 Rolex watch by swinging bags of takeaway food at his attackers.Christopher Harris was chillingly targeted as he carried food from the Queen of Sheba restaurant in Paddington back to his rented AirBnb property on a trip with family to London.Dramatic CCTV footage shows one of the thieves, Amine Bentaib, lurking outside the restaurant, watching and waiting for Mr Harris to emerge.