Jon Snow has been the face of Channel 4 News since 1989.
Jon Snow joined ITN in 1976 and became Washington Correspondent in 1984. Since then, he has travelled the world to cover the news – from the fall of the Berlin Wall and the release of Nelson Mandela, to Barack Obama's inauguration and the earthquake in Haiti.
His many awards include the Richard Dimbleby Bafta award for Best Factual Contribution to Television (2005), and Royal Television Society awards for Journalist of the Year (2006) and Presenter of the Year (2009).
Dr Abdulhai Tennari, who has been treating victims of the attack in Idlib, Yasmine Nahlawi, of the Syrian advocacy group, Rethink Rebuild, and Jerry Smith, who led the UN-backed operation to remove Syria’s chemical weapons in 2013.
Conservative MP and member of the Commons foreign affairs committee, Nadhim Zahawi, and Dr Ghanem Tayara of Union of Medical Care and Relief Organisations.
For the first time in its history the British Museum is putting on permanent display the work of a Caribbean sculptor in its African collection.
From West London the Conservative MP Nadhim Zahawi who voted for Britain to leave the European Union, and the Chief Market Strategist for JP Morgan, Stephanie Flanders.
Work and Pensions Secretary Damian Green, a close ally of the Prime Minister.
Former South African minister and ANC activist, Ronnie Kasrils.
Lord Heseltine, former deputy prime minister, and MP Kate Hoey, former co-chair of Labour Leave.
Shadow Foreign Secretary Emily Thornberry and Patrick O’Flynn, who is Ukip MEP for Eastern England.
Yesterday’s terrorist attack was aimed at the heart of British democracy, the Houses of Parliament. But it is less than a year since one of its elected representatives died at the hands of a far-right extremist.
The people of this city woke today knowing that London has joined Paris, Brussels and Nice – in playing host to a violent terrorist attack.
Joining us is Baroness Warsi, conservative peer and former minister of state for Faith and Communities – who has long campaigned for the British Muslim community.
Jon Snow talks to eyewitness Rob Lyon.
Labour MP Barry Gardiner and the former Conservative Party chairman Grant Shapps.
Priti Patel, Secretary of State for International Development.
John Prendergast, former director of African affairs at the National Security Council.