Sudan's army said its anti-aircraft systems intercepted drones targeting a naval base in the wartime capital Port Sudan on Wednesday. Explosions were heard in the city, though it was not immediately clear whether they were near the Flamingo base.

Sudanese military officials say paramilitary fighters unleashed drones on the Red Sea city of Port Sudan, hitting key targets there, including the airport, the port and a hotel.

Port Sudan is the main entry point for humanitarian aid into Sudan. A spokesman for UN chief Antonio Guterres said the drone strikes 'could lead to large-scale civilian casualties and further destruction of critical infrastructure.