A Van Zandt County sheriff's deputy was shot and killed and a Canton police officer was wounded Tuesday night while serving felony warrants at a home south of Canton, Texas, authorities said, KLTV, NBC 5 DFW and CBS News Texas reported.

The deputy was Adam Sherifi. A county judge confirmed his name, KLTV reported, and CBS News Texas said his mother also identified him.

Deputies were helping the Canton Police Department serve warrants at a home in the 4300 block of State Highway 198 around 10 p.m., the sheriff's office said. The man they were seeking was wanted for aggravated assault and aggravated assault on a peace officer.

Around 10:22 p.m., shots were fired from inside the home toward deputies and officers outside, Sheriff Kevin Bridger said, according to KLTV. Officers returned fire. During the exchange, the deputy and the Canton officer were struck. The deputy died at the scene, NBC 5 DFW reported.

The suspect was found dead inside the home from a gunshot wound, the sheriff's office said. CBS News Texas reported that officials have not said whether the wound came from police fire or was self-inflicted. The suspect has not been publicly identified.

The wounded officer was shot in the arm and taken to a hospital in Plano, NBC 5 DFW and CBS News Texas reported.

The Texas Rangers are leading the investigation, CBS News Texas reported. The sheriff's office said the shooting was an isolated incident and there is no ongoing threat to the public, according to NBC 5 DFW.

A vigil was held at noon Wednesday outside the Van Zandt County Courthouse, where flags were lowered to half staff, KLTV and NBC 5 DFW reported. A local fire department said Sherifi leaves behind a wife and two young children, NBC 5 DFW reported.

What we know: A Van Zandt County deputy was killed and a Canton officer was wounded, and the suspect was found dead.
What we don't: Who the suspect was, and how the officer's recovery will go.