There has been a worrying increase in the number of pilots being targted by laser attacks as they fly over the capital.
The Met Police have released images of a blinding flash caused by a blue laser beam shone directly at a pilot during the Olympic Games.
But new kit is allowing the police to fight back, as Ronke Phillips now reports.
More top news
Londoners who have received new electronic gadgets for Christmas are being advised to take simple steps to protect them from thieves.
The Boxing Day sales got off to a flying start with shops reporting a surge in business during the first hour of trading.
Bus strikes are planned for Monday 29 December and Monday 5 January.