An extraordinary US presidential election campaign has resulted in an outcome that few could have predicted at its outset: Donald J Trump will become the 45th US President of the United States.

The implications of this historic decision are, for now, highly unpredictable, and for many, deeply concerning, with many questions unresolved around the course of future US policy on the economy, security, environmental protection, and human rights.

Our panel of experts consider what a Trump presidency says about, and means for America and the world in the days, months and years to come.

Melanie McDonagh, Leader writer, Evening Standard and contributor, The Spectator; John Prideaux, US editor, The Economist; Professor Malcolm Chalmers, Deputy Director-General of RUSI; Stephen Bush, Special correspondent, New Statesman; James O'Brien, Presenter, LBC & BBC Newsnight