A Texas police officer is in critical condition after being shot during a traffic stop early Tuesday, authorities said.

Just minutes after midnight, a Denton police officer initiated a traffic stop for an equipment violation, according to police.

“During the traffic stop, there was an exchange of gunfire, where one of our officers was struck,” the police department said.

The officer, who was not named, was hospitalized in critical condition, police said.

Two persons of interest were detained after a car chase, according to police.

This story is developing. Check back for updates.