"It is exhausting, there are many patients and there's a lot of suffering," said Omar al-Saeed, a striking nurse at Port Sudan teaching hospital. According to the UN, more than 100,000 have fled to Port Sudan, filling up the already dense city's hospitals and shelters, while fighting is focussed in Khartoum and the west of the country. Sudanese hospitals have long been under-funded, and strikes by medical staff have been frequent. The war, during which many hospitals in areas of fighting have been damaged, has brought the system to its knees. Doctors in Port Sudan have had to grapple with power cuts, intense humidity and medicine shortages, while patients are kept in close confines though many have respiratory illnesses, hospital officials say.

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Persons: Omar al, Saeed, Bashir, Martin Griffiths, Ayat Mohamed, Dar Abnaa, Ibrahim Mohammed Ishak, Nafisa Eltahir, Conor Humphries Organizations: Sudanese, Rapid Support Forces, Port Sudan, UN, United, Dar, Thomson Locations: Port Sudan, Khartoum, Sudan, PORT SUDAN, Red, United Nations