The death toll from a fire and explosion at a weapons depot in Mozambique is at least 72 and is likely to rise further, the health minister said Friday.
Ivo Garrido said that at least 300 people were injured.
Garrido said the casualties included military personnel working on the site and civilians living in nearby houses.
The cause of the blast, which occurred late Thursday afternoon, was still unknown. One possibility was the searing heat, which was blamed for a smaller explosion at the depot in January when three people were injured.
Several thousand people spent the night on the streets in downtown Maputo, unable to return to their homes in the poor neighborhood near the ammunitions depot, which was sealed off by police.
A few people tried to return to their homes Friday as the fire had been brought under control.
President Armando Guebuza canceled a one-day visit to South Africa. He appeared on television late Thursday to appeal for calm.
The area was sealed off by police as scenes of panic unfolded in the capital. Downtown streets were filled with people fleeing the area, with hundreds preparing to sleep rough because they were unable to return to their homes and others desperately searching for loved ones.
At the height of the inferno, some city center windows were shattered by the intense heat. Buildings also shook with the impact of the explosions.
Guebuza said the military was working to determine the cause of the blasts.
Mozambique, an impoverished southern African nation still recovering from a long civil war, has been battered by natural disasters this year. Aid agencies have credited Mozambique's good emergency response system with limiting the casualties.
Heavy rains have inundated much of the country since January, causing flooding and prompting tens of thousands of people to be evacuated from their homes. A cyclone hit coastal resorts last month, killing 12 people and battering the nation's fledgling tourist industry. And earlier this week, more homes on the coast were evacuated and sea defenses breached by exceptionally high tides.
The southern part of Mozambique, which includes Maputo, is in the grip of a fierce drought and blistering heat wave. Temperatures in the capital Thursday reached 35 degrees Celsius (95 degrees Fahrenheit).
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