A university has invalidated Istanbul Mayor Ekrem Imamoglu's diploma in a move widely perceived as politically motivated to block him from from running in the next presidential race.

Turkey revoked Istanbul Mayor Ekrem Imamoglu’s university diploma, potentially blocking President Recep Tayyip Erdogan’s main rival from running for the country’s top office.Most Read from BloombergICE Eyes Massive California Tent Facility Amid Space ConstraintsHow Britain’s Most Bike-Friendly New Town Got BuiltThe Dark Prophet of Car-Clogged CitiesWashington,

A Turkish university said Tuesday that Istanbul's mayor Ekrem Imamoglu -- a rival of President Recep Tayyip Erdogan and already the target of a clutch of court cases -- falsely obtained his university degree.

Turkish President Tayyip Erdogan is working to secure a meeting with U.S. President Donald Trump at the White House, potentially by late April, Bloomberg News said on Tuesday, citing Turkish officials familiar with the matter.

Turkish President Erdogan is seeking a White House meeting with Trump, aiming to strengthen ties and discuss regional stability, including conflicts in Ukraine and Syria.

Turkish President Recep Tayyip Erdogan is working to secure a meeting with Donald Trump at the White House, possibly toward the end of April, according to Turkish officials familiar with the matter.