Antonio Guterres

On Profile this week, we look at the life and career of the world's top diplomat - the UN Secretary General, Antonio Guterres.

When he opened the UN General Assembly in New York on Tuesday, the 68 year old former Portuguese Prime Minister warned the world was in danger, "in pieces" and needed putting back together again.

So, who is he and how does he plan to go about it ?

Mark Coles talks to childhood friends, political colleagues past and present - even Portugal's President - who help explain the events and personal tragedies that have shaped Guterres and led him to take on arguably the most difficult job on the planet.

Floods, cancer, Catholicism, chocolate and cheese...everything you need to know about new UN Secretary General, Antonio Guterres, on Profile this week.