As the White House worked to "de-escalate" tensions in Minneapolis Tuesday, a man sprayed Minnesota Congresswoman Ilhan Omar with a syringe of unknown liquid at a town hall meeting, where she called for curbing the Trump administration's anti-immigration crackdown.

The White House is also evaluating whether the Customs and Border Protection (CBP) agents who gunned down a nurse failed to follow "clear guidance" to "create a physical barrier between the arrest teams and the disruptors," deputy chief of staff Stephen Miller told AFP. 

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