Robbery victim helped cops snare gold chain thieves

A victim of London’s robbery epidemic chased after two Sudanese refugees taking photographs after they stole his gold chain at knifepoint. Ashkay D’Souza, 30, helped flag down Hamdan Khowjsly, 21, and Mohammed Adam, 22, to police after he was attacked in Oxford Street last summer. He was walking towards Oxford Circus when the pair, along with a third unidentified man, grabbed him from behind and shoved him against a window in the early hours of 26 July. One of the…