Unexplained lights appear in the night sky above London

This is the moment the London skyline was illuminated by mysterious flashes of red and white light - captured in a video which has baffled weather experts. Even the Met Office can't explain what was going on, with experts confessing it is not "overly clear" what caused the display. A spokesman said: "It isn’t overly clear what caused this due to the lack of observations from the night sky.