Pete Arredondo defended the police response to the massacre in a 17-page letter that also lashed out at state officials

The Uvalde school district fired police chief Pete Arrendondo on Wednesday, making him the first officer to lose his job over the hesitant and fumbled response by law enforcement at a Texas elementary school as a gunman killed 19 students and two teachers in a fourth-grade classroom.

In a unanimous vote held after months of angry calls for his ouster, the Uvalde Consolidated Independent School District’s board of trustees fired Arredondo in an auditorium of parents and survivors of the 24 May massacre. His firing came three months to the day after one of the deadliest classroom shootings in US history.

A meeting to decide the fate of Pete Arredondo has been delayed and his leave is now unpaid, suggesting a dismissal is imminent

School district officials in Uvalde, Texas, have cut off payments to their police force’s embattled chief, who had been on administrative leave from his job but is still being compensated.

The decision on Friday comes amid scrutiny and criticism of how police handled the deadly attack at Robb elementary, where a gunman killed 21 people nearly two months ago.

Footage captures gunman entering building amid condemnation of slow law enforcement response

Surveillance footage captured the gunman in the Uvalde school shooting entering the building with a AR-15-style rifle and later shows officers in body armor milling in the hallway outside the fourth-grade classrooms where 19 children and two teachers were killed.

The video published on Tuesday by the Austin American-Statesman shows parts of the nearly 80 minutes that passed between the gunman walking into Robb elementary school through an unlocked door and the time when his death put a stop to the US’s deadliest school shooting in nearly two decades.