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.
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From the time three bodies were found at a house in Oxfordshire to when prime murder suspect Jed Allen was found dead in woodland.
Mostly cloudy overnight, but as low pressure systems feed in as the week goes on an unsettled period can be expected.
The hunt for murder suspect Jed Allen has ended after police found his body two days after discovering his mother, stepdad and sister dead.