A house fire that killed a mother and her five children in Harlow, Essex, last month is now being treated as a murder investigation, Essex Police said tonight.
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Police in Harrow have released CCTV footage as part of a reappeal for information about a sexual assault that happened last November.
Members of the RMT union on the Northern Line are planning to walk out on Monday after a driver was sacked for failing a breath test.
The A&E department at Northwick Park Hospital in north London has been under pressure following the closure of two other A&E units.