EDEN, Texas (KLST/KSAN) — The identities of the two Concho County Sheriff’s Office deputies killed in the line of duty Monday night have been released.

According to the Sheriff’s Office, the men killed were identified as Deputy Samuel Leonard and Sgt. Stephen Jones.

Investigators say a complaint about a dog caused an altercation that led to the death of two Concho County deputies and the injury of a city employee.

Crime scene tape marks the 100 block of Bryan Street in Eden where two Concho County deputies were shot and killed Monday night.

Jeffrey Nicholas, 28, was booked into the Tom Green County Jail Tuesday morning on two counts of Capital Murder of a Peace Officer in connection to a shooting that happened in Eden Monday night.

Texas Rangers released information on the shooting, saying Concho County deputies arrived at a home on the 100 block of Bryan Street to respond to a dog complaint around 8:20 p.m.

During the investigation into this complaint, Nicholas was contacted and an altercation ensued, escalating to gunfire.

Two deputies were killed and an Eden city employee sustained serious injuries. Their identities have not been disclosed at this time.

Bonds totaling $2 million have been set for each of Nicolas’ Capital Murder charges.

No further information is available at this time but the investigation is ongoing. Check back for updates throughout the day.