The UN says more than a million people are at risk. Meanwhile a US-built pier designed to facilitate aid deliveries into the Gaza Strip was re-anchored on Wednesday. In recent weeks, strong winds and heavy seas had struck the $300m structure. So how much aid has got in via the pier? Also on the programme: we visit the hometown of French president Emmanuel Macron in the run up to the general election in July; and new research suggests wild chimpanzees in Uganda are ‘self-medicating’ with healing plants. (Picture: A child in Gaza waits to receive food. Credit: Reuters / Khaled)