Devoted crowds are waiting outside in Westminster as the funeral service of former Labour cabinet minister Tony Benn gets underway.
One banner describes the left-wing MP as "truly irreplacable", while another calls him "our Tony Benn".
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Theresa May has launched her bid to become the next leader of the Conservative Party.
The government is set to announce that David Cameron's successor will make the decision on whether to expand Heathrow or Gatwick.
Michael Gove is to stand for the Conservative Party leadership, saying he does not believe Boris Johnson can "provide the leadership".