Authorities say a man killed his younger brother after an argument outside a house in Montgomery County.

WILLIS, Texas – Charges have been brought against a man who shot and killed his younger brother during an argument at a house in Willis early Thursday morning, the Montgomery County Sheriff’s Office said.

33-year-old Oscar Martinez has been charged with the murder of 30-year-old Julio Martinez.

MCSO deputies and Willis Police Department officers responded to reports of a shooting on the 700 block of Pine Circle Drive around 3 a.m.

Authorities said the two men had an argument outside the house when Oscar pulled out a gun and shot at his younger brother. He then fled the scene.

Rescuers tried to resuscitate the victim, but failed to save him.

Law enforcement officers managed to find the suspect’s car and detain him. He was then placed in the Montgomery County Jail.