herePC Bowman from the Roads and Transport Policing Command said: “Although there is no sound on the CCTV and all the victim remembers is waking up in hospital, we believe that this was all triggered by face masks."We think that the attacker, who had his face covering beneath his chin, took offence when the victim, who was fully covered, consciously moved away from him.“When the attacker then follows the victim to the back of the bus, he can be seen pointing and gesturing at the victim’s face