Heavy gunfire and the roar of warplanes have shattered plans for a ceasefire in the Sudanese capital Khartoum
Fighting was reported around the army headquarters by the airport in the city centre, which is surrounded by residential areas.
Two rival generals at the heart of the conflict had agreed to a 24-hour humanitarian pause.
Nearly 200 people have been killed in the fighting which began on Saturday.
Residents are low on food and water as clashes between the army and the Rapid Support Forces (RSF) paramilitary group continue.
On Tuesday, UN Secretary General António Guterres’ spokesman said, “The fighting in Sudan, including Khartoum and various other locations, is continuing. No sign of real abatement of the fighting.”
Earlier in the day, a woman living in Khartoum told the BBC that she had no more drinking water left in her home.
Duaa Tariq said only one bottle remained, which she was saving for her two-year-old child, as her family crammed into a “tiny corridor” to avoid gunfire.
“Most of the people [that] died, died in their houses with random bullets and missiles, so it’s better to avoid exposed places in the house” like windows, Ms Tariq said.
At the University of Khartoum, a student was killed after being hit by a stray