Nigerians set to vote in a tight election

People in Nigeria are preparing to choose a new president in the most unpredictable election since the end of military rule in 1999.
Also in the programme: As the world marks one year of Russia's invasion of Ukraine, we report from the frontlines in the east Ukrainian town of Vuhledar where the war is raging on.
And some 50,000 people are now known to have died in the earthquakes which struck Turkey and Syria earlier this month.
Julian Worricker is joined by two guests to discuss the news and issues of the day. Laleh Khalili is Professor of International Politics at Queen Mary University of London and Andrea Sella is Professor of inorganic chemistry at University College London.

(Picture: An electoral officer (L) attends to people as they wait in line to collect their permanent voter's card (PVC) at a PVC collection centre in Lagos, Nigeria 11 January 2023. On 25 February 2023, Nigeria will hold presidential and federal parliamentary elections, followed by gubernatorial and state legislative elections on 11 March. After eight years in office, 80-year-old President Muhammadu Buhari of the All Progressives Congress (APC) is due to step down, as are seventeen of the 36 powerful state. Credit: Photo by AKINTUNDE AKINLEYE/EPA-EFE/REX/Shutterstock)