This morning' s COBRA meeting, chaired by Mr Cameron, was attended by Home Secretary Theresa May, Defence Secretary Philip Hammond, Mayor Boris Johnson, Met Commissioner Sir Bernard Hogan-Howe, and Assistant Commissioner Cressida Dick.
The Minister for Faith and Communities Baroness Warsi, Communities Secretary Eric Pickles and the British intelligence agencies.
More top news
This was despite more than a fifth experiencing delays of more than three hours, a Which? survey revealed.
Michael Haines said he wanted to continue his brother's legacy so he would be remembered for his good work rather than his death.
Tomorrow should be a bit quieter in most places, with lighter winds and some lovely winter sunshine.