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Congo government policemen, foreground, and civilians gather during a M23 rally in Goma, Congo, Wednesday, Nov. 21, 2012. A rebel group believed to be backed by Rwanda seized the strategic, provincial capital of Goma in eastern Congo on Tuesday, home to more than 1 million people as well as an international airport in a development that threatens to spark a new, regional war, officials and witnesses said.(AP Photo/Melanie Gouby)

Congo government policemen, foreground, and civilians gather during a M23 rally in Goma, Congo, Wednesday, Nov. 21, 2012. A rebel group believed to be backed by Rwanda seized the strategic, provincial capital of Goma in eastern Congo on Tuesday, home to more than 1 million people as well as an international airport in a development that threatens to spark a new, regional war, officials and witnesses said.(AP Photo/Melanie Gouby)

Rebel uprising in Congo

A rebel group believed to be backed by Rwanda seized the strategic, provincial capital of Goma in eastern Congo on Nov. 20, in a development that threatens to spark a new, regional war, officials said. Democratic Republic

of the Congo (DRC) has been marked by widespread violence and atrocities that

continue to threaten regional stability.