All schools have been ordered to close in South Sudan, as it prepares for a heat wave in which temperatures could reach an exceptional 45C (113F).
Authorities said children should stay indoors and that the extreme weather could last for at least two weeks.
Deaths “related to excessive heat” have already been reported, officials said on Saturday.
Residents in parts of the capital Juba sweltered without electric fans on Monday as the heat sparked power cuts.
The streets of Juba, home to more than 400,000 people, were largely quiet in the afternoon as local media reported temperatures of 41C (106F).
Medical charity Médecins Sans Frontières (MSF) told the BBC it had seen an increased number of admissions to one of its hospitals since the temperatures started to rise.
Residents of South Sudan, whose independence from Sudan in 2011 makes it the world’s newest nation, described difficult conditions on Monday.
“This heat is very serious and it’s really affecting our work,” Wadcon Saviour Lazarus, who runs a national NGO, told the BBC.
SOURCE: BBC