Speaking before the vote, Nick de Bois, the MP for Enfield said: "I hope the board are of no doubt that a vast swathe of my constituents are not in favour of this proposal."
Tim Peachey, the interim Chief Executive at Barnet & Chase Farm NHS Trust said: "Changes will put health economy ahead in London."
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At least five people have suffered minor injuries but the cause of the blast is still unknown.
A songwriter from Harlesden who wrote a track for Beyonce's Lemonade album has been nominated for a Grammy Award.