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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An online petition calling to declare London independent of the UK and to join the EU has attracted more than 100,000 signatures in a day.
This year's Pride in London event will include a minute's silence to commemorate the victims of the Orlando shooting.
The London property market is expected to be the hardest hit as buyers sit it out to see how the economy will be affected.