A Washington state elementary school teacher has reportedly been placed on leave for a Facebook post urging people to report “illegal aliens” to Immigration and Customs Enforcement during Thursday’s nationwide “A Day Without Immigrants” strike.

The Prosser School District, which did not identify the teacher, said it is investigating a post that generated a number of “angry and concerning” emails, phone calls and visits from parents and community members.

“Earlier today, the District learned that a teacher at Keene-Riverview Elementary School had posted on her personal Facebook page a message that appears related to undocumented immigrants,” the district said in a press release Friday. “The post may be considered hostile and/or offensive on the basis of national origin.

“Due to possible safety and security concerns, as well as concern for disruption of the school environment, this teacher has been placed on administrative leave pending investigation of this incident by the District,” it said. “Please be assured that the views expressed by this teacher on her personal Facebook page do not in any way reflect the views, beliefs or values of the Prosser School District or its administration or Board of Directors.”

The offending Facebook message, posted Wednesday, voiced support for boycotting the “Day Without Immigrants” protests and provided information on how to contact the U.S. Immigration and Customs Enforcement Agency to “report illegal aliens,” the Yakima Herald-Republic reported Saturday.

“They will need to know names, locations (either work place or residence) and any other specific information you can provide,” the post reportedly read. “If this offended you in anyway do me a favor and unfriend my American ass!!!”

Thousands of immigrants, legal and illegal, stayed home from work and school on Thursday to protest President Trump’s immigration policies. Hundreds of students in the Yakima Valley stayed home and a number of businesses closed Thursday in support of the protests, the Herald-Republic reported.

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