Fighting erupts in Beirut

Gunmen attacked a protest against the judge investigating last year's port explosion in the Lebanese capital. Also on the programme: police in Norway say the suspect in a deadly bow and arrow attack was a Muslim convert who'd previously showed signs of radicalisation - we'll hear from the mayor of the town where it happened; and Britain's Prince William on why space entrepreneurs should be focussing their energies on solving Earth's problems first. (Picture: Army soldiers patrol after gunfire erupted in Beirut, Lebanon Credit: REUTERS/Mohamed Azakir)