Londoners were woken by a remarkable thunderstorm last night.
Picture: Justin Stokes
Photographer Justin Stokes took this amazing photo of the dramatic skies over Canary Wharf.
And this picture was tweeted by the Met Police to explain why their helicopter had been grounded.
The overnight thunderstorms caused problems on the trains this morning, wtih disruption on rail services at Liverpool Street, St Pancras and at Dartford.
LBC listener Paul Claridge took this photo of the lightning striking the tower at Crystal Palace.