Business leaders say reducing the number of night flights to London airports would be damaging to the economy.
It comes as the London Assembly has called on the Government to end the flights at night altogether.
More top news
A glitch on TfL's Journey planner has begun renaming some of London's most popular stations.
Breaking Into News is an initiative run by the Media Trust in partnership with ITV News and ITN to find broadcast journalists of the future.
Lyn Rigby was told she could be 'arrested' if she failed to attend the appeal hearing of an internet troll.