A pair of deadly incidents this weekend in Afghanistan have left 10 American soldiers dead and the nation reeling at the prospect that the already record violence is again on the upswing.

First, an Afghan policeman on patrol shot and killed two US soldiers and injured two others in the Wardak Province then scurried off. He remains uncaptured but officials say they have arrested two people who gave recommendations when he was applying for the job.

Then, in a pre-dawn raid, hundreds of insurgents attacked US outposts in the remote Nuristan Province, killing eight US soldiers and two Afghan police, and injuring an unknown number of each.

Nuristan’s provincial governor says that several police were also captured during the attack, and the US says that it is planning to abandon the outposts.

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