Algeria president will not stand for fifth term

Algerian president Abdelaziz Bouteflika has pulled out of his bid for a fifth term in office following two weeks of widespread protests, but elections which had been due to take place next month have been postponed.

Also in the programme: the latest on the Ethiopian Airlines plane crash, and what can our eyes tell us about our chances of contracting Alzheimer's disease?

Image: Algerian students shout slogans as they demonstrate with national flags outside the Main Post Office in the centre of the capital Algiers. Credit: Ryad Kramdi / AFP / Getty Images.