Warren Christopher, US negotiator, dies at 85

Former US secretary of state Warren Christopher, who helped bring peace to Bosnia and negotiated for the release of American hostages in Iran, died on Saturday , CNN reported. He was 85.

CNN said Christopher died in California of complications from kidney and bladder cancer.

As the top American statesman under President Bill Clinton, Christopher was a behind-the-scenes negotiator. Often called the "stealth" secretary of state, Christopher was known for his understated, self-effacing manner.