This is a developing story:

Update 10:19: NBC reports the news conference to announce the firing will be held at noon:

South Carolina authorities will announce Wednesday that Richland County Senior Deputy Ben Fields, the school resource officer who was caught on camera violently flipping a high school student in her classroom, will be relieved of duty, sources told NBC News.

Richland County Sheriff Leon Lott is set to hold a news conference at noon to talk about the internal investigation over the Monday incident at Spring Valley High School in Columbia.

Editor’s note: This post has been updated.

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