New fighting hits South Sudan; rebel leader blames gov't for buying arms from China

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An aid group in South Sudan says new fighting has broken out, forcing aid workers to take cover in a city where more than 40,000 civilians are huddled in a U.N. base.

Timothy Ngyuai, a project manager for the group CARE, said fighting began Friday in Bentiu.

Samantha Power, the U.S. ambassador to the U.N., said in South Sudan this week that U.N. officials have "very worrying reports" of arms being brought into the country to set the stage for more fighting when seasonal rains end.

Riek Machar, the country's former vice president and current rebel leader, told The Associated Press that China should stop sending weapons to the government. He said government funds, which come from oil revenue, should be spent on citizens who face severe hunger.