Israel deepens Rafah offensive as Gaza refugees forced to flee again

Israeli troops have continued their offensive against Hamas militants across Gaza, and now medical staff at the Kuwaiti hosptital in the sourthern city of Rafah are being asked to evacuate. We'll speak to the charity, Medical Aid for Palestinians.

The US Secretary of State has arrived on a surprise visit to Ukraine just as the country is struggling to hold back invading Russian forces in the north east. We ask what the US is hoping to achieve with the visit.

Also in the programme, Aradhna Tripati, a climate scientist at the University of California, warns that there might be more than a billion climate refugees in the future due to extreme weather events.