United Nations on brink of collapse, Secretary General warns

The United Nations warns the international peace organisation is at risk of financial collapse - over unpaid dues from member countries.

Also in today's programme: President Trump says he's sending 'very big and very powerful' ships to Iran; and, we speak one of China's greatest artists Ai Wei Wei.

Presenter Paul Henley is joined by Eric Albert, European economic correspondent for the French newspaper Le Monde, and Olga Oliker, programme director for Europe and Central Asia at the International Crisis Group, which works to prevent and resolve conflict around the world.

(Photo Credit:United Nations Secretary-General Antonio Guterres speaks during a press conference in New York)