Forensics officers were pictured at the house in Edmonton where a woman is believed to have been beheaded in a knife attack.
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ITV News correspondent Duncan Golestani pays tribute to a fearless young Kurdish journalist he trained in Iraq.
ATM machines were affected, while people also reported problems using cards in shops.
Representative Darrell Issa, who is from California, has said there should be a special prosecutor investigating Russian hacking and Trump.