Drone strikes hit a fuel depot, airport and a hotel in Port Sudan, bringing violence to a city that had so far been spared in the devastating civil war.

The strikes are the first on the de-facto capital along the Red Sea. About a quarter of a million refugees have fled to the state where Port Sudan resides since the civil war erupted two years ago.

Sudan’s paramilitary Rapid Support Forces (RSF) attacked the Red Sea city of Port Sudan with drones early Tuesday, Sudanese military officials reported, hitting key targets including the airport