1 Dead and a Police Officer Is Injured in Memphis Shooting

MEMPHIS — One person was fatally shot and a police officer was critically injured on Thursday afternoon in what the authorities described on social media as a “police-involved shooting” at a library in Memphis.

The Memphis Police Department, which has been under intense scrutiny after the beating that led to the death of Tyre Nichols last month, said that the person who was shot had been pronounced dead at the scene. The officer was taken to a hospital in “extremely critical” condition, the department said.

The police said the shooting took place after officers had responded to a call at the library at 12:32 p.m.

The Tennessee Bureau of Investigation, a state agency that scrutinizes police shootings, said on Twitter that the local district attorney, Steven J. Mulroy, had asked its agents to investigate the shooting.

The agency, which is also investigating Mr. Nichols’s death, said it would provide updates at the scene.

Neither agency immediately provided details about what had led up to the shooting, nor did they elaborate on who or how many people had fired weapons.

Police officers could be seen walking in and out of the Poplar-White Station Library after the shooting and had cordoned it off with yellow tape.

Mr. Mulroy’s office is leading the prosecution of five Memphis police officers who have been charged with second-degree murder in Mr. Nichols’s death after a videotaped beating in which officers punched and kicked Mr. Nichols and struck him with a baton.

This is a breaking news story. Check back for updates.