How are wars affecting global shipping routes and trade? We examine the risks to commercial vessels and their crews. And: we continue our series on the global fuel crisis. Plus: a new age of train travel and Frieze London.

Can diplomacy prevent further escalation between Saudi Arabia and the Houthis?
58:56

Can the Gulf restore trust in its aviation industry?
58:49

The Nobel Peace Prize: With a world in conflict, who are the frontrunners?
58:45