Is Libya heading for a civil war?

In Libya the forces of General Haftar have ignored warnings from the United Nations and continued their advance towards the capital Tripoli. His supporters say he's on a mission to restore order to an ungoverned city - but opponents call him a renegade army officer.

Also in the programme; Venezuelans prepare for another mass protest against President Maduro - and we explore the world of aphantasia - a condition in which you can't conjure up visual images.

(Photo: Brigadier Ahmed al-Mesmari, spokesman of the self-proclaimed Libyan National Army loyal to Khalifa Haftar. Credit: Getty Images)