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covid-19 pandemic. that's according to a newly updated classified intelligence report from the u.s. energy department. according to two sources energy officials have low confidence in this latest assessment. that means the information is either not reliable enough or it's too fragmented to know for sure. it only adds to this big divide within the u.s. government over whether the pandemic began in china 2019, as a result of a lab leak, or whether it emerged naturally. >> president biden specifically requested that the national labs which are part of the department of energy be brought...

Questioning mexico's election last week. and nigerians facing a tense wait on presidential election results after widespread delays and security concerns. some voters are still casting ballots more than 24 hours after polls closed. all right. britain and the eu expected to make an announcement after a critical meeting this morning that could resolve a post-brexit dispute involving northern ireland. but there are fears that could damage trade and lead to potential violence in the region. cnn's nic robertson joins us live from london. nic, how close are they to resolving this brexit deal and...