Second man, 31, dies after horror London crash as police continue investigation

William Cassidy (left), 48, died three days after the crash, while fellow passenger Patrick Cassidy, 31, also died a week later - (Standard)

A second man has died following a serious road collision in north London, police have said.

Patrick Cassidy, 31, died on September 30, after suffering serious injuries in a collision involving a car and a pedestrian on Chase Sidde, Southgate, in the early hours of Saturday, September 20.