Detectives investigating a house fire in which a mother and her five children died in Essex say a year on they're still searching for answers over what caused the blaze and who is responsible.
On ITV's Daybreak programme, Detective Constable Nick Newbury said he is convinced the answers lie in the close community:
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The most hotly-tipped date is July 13, following the Nato summit which the president is due to attend in Brussels on the previous days.
Abbas Edalat, a professor in computer science and maths at Imperial College London, has reportedly been held in custody since April 15.
There's been a sharp rise too in rape, burglary and robbery have during what police "busy and challenging time".