updated 12:05 PM EST, Sun March 4, 2012 (CNN) -- A series of explosions at an ammunition depot in Brazzaville, the capital of Africa's Republic of Congo, killed dozens of people and wounded hundreds more, Congolese and U.S. officials said Sunday.
Betu Bangana, a Congolese government official, said a fire at the depot set off a cache of tank shells, destroying numerous homes in the neighborhoods around the installation. He said at least 60 people had been killed in the blasts.
The explosions occurred shortly after 8 a.m. Sunday (2 a.m. ET). The cause of the fire was not confirmed Sunday, but authorities are treating it as accidental, said Bangana, the director of protocol for President Denis Sassou-Nguesso.
James Jeffers, a spokesman for the U.S. Embassy in Brazzaville, said American diplomats had seen hundreds of injured being treated in local hospitals.
The force of the explosions broke windows up to 5 km (3 miles) away in Kinshasa, the capital of the neighboring Democratic Republic of the Congo. The DRC's military responded by putting tanks and troops on the streets and the banks of the Congo River, which separates the two cities, until it became clear that no attack on the capital was under way.
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