After briefly losing track of the teen, Zimmerman told authorities the teen approached him and the two exchanged words.

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Zimmerman told police that the two exchanged words and Martin went after him.

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After the two exchanged words, Zimmerman said, he reached for his cell phone, and then Martin punched him in the nose.

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But Domenech turned his back, wagged his finger and then the two exchanged words for some time, with Parreira briefly grabbing the Frenchman's jacket.

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The two groups exchanged words and items including a yoghurt pot were thrown before Mr Woodards was stabbed, the Old Bailey was told.

BBC: Liam Woodards

As the words exchanged by America and Iran, Mr Maliki's two key international backers, get angrier, the prime minister and his government face a dilemma.

ECONOMIST: Iraq, Iran and the United States

The pair exchanged angry words during the debate but Peres told CNN on Friday the two leaders had spoken on the phone to clear the air.

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