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More than 6,000 delegates from 194 nations have gathered in the Argentine capital of Buenos Aires for the 10th annual United Nations Convention on Climate Change. Monday’s opening ceremony allowed participants to reflect on recent accomplishments and look to the future.

In Afghanistan, a suicide bomber crashed his car into a group of security vehicles Thursday. The bombing in Kabul killed two foreigners including an American. Afghan officials say eight other people were wounded including at least two Afghans.