“House Speaker Nancy Pelosi said Sunday that she was ordering U.S. Capitol Police to conduct a “security assessment” to ensure Rep. Ilhan Omar’s safety after President Donald Trump posted an incendiary tweet about a remark Omar made regarding the 9/11 terrorist attacks.

“”Following the President’s tweet, I spoke with the Sergeant-at-Arms to ensure that Capitol Police are conducting a security assessment to safeguard Congresswoman Omar, her family and her staff,” Pelosi said in a statement. “They will continue to monitor and address the threats she faces.”

“Last week, conservatives sharply criticized Omar, one of the first Muslim women ever elected to Congress, for remarks the Minnesota Democrat made at a March 23 Council on American-Islamic Relations event in Los Angeles where she said “some people did something” in reference to the Sept. 11, 2001, attacks that killed nearly 3,000 people.”

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