US officials arrested 3 men in Denver last weekend suspected of plotting to assassinate Barack Obama on Thursday when he is due to speak to the Democratic convention.

• 美国警方上周末在丹佛拘捕了3名涉嫌密谋暗杀民主党总统候选人奥巴马的男子。据称，这3名男子计划在28日的民主党大会上趁奥巴马发表提名演说时暗杀他。