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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Several passers-by can be seen apparently reacting to the incident in the footage.
Victims ranging from age three to 60 will be remembered as part of six special hearings dedicated to those who lost their lives.
"I do not accept the allegation that I have brought the Labour Party into disrepute", said Livingstone.