McKinney, Texas police Cpl. Eric Casebolt resigned from his position on Tuesday, amid increasing calls for his ouster from the department, WFAA-TV reported.

City Attorney Jane Bishkin confirmed his resignation on Tuesday evening.

Casebolt, who was named the department’s “Officer of the Year” in 2008, was suspended after video surfaced late last week of him tackling 15-year-old Dajerria Becton and pulling his gun out against two other black teenagers while responding to a dispute involving a local pool party.

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As the footage spread online, local civic groups called for his firing, while the National Association for the Advancement of Colored People (NAACP) demanded a full investigation of his actions.

Casebolt’s departure came a night after hundreds of demonstrators attended a rally calling for him to be fired.