The Harris County Sheriff's Office Homicide Division is investigating the death of a 23-year-old man as a death in custody. Authorities said the death followed a chase in northwest Harris County.

Pct. 4 Constable's Office deputies responded to a family disturbance at a home on Carols Way Drive around 1:30 a.m. Sunday, according to the sheriff's office. Investigators said the man was outside when deputies arrived and ran. Deputies pursued him for about a block. Investigators said he pulled out a handgun and shot himself. He was pronounced dead at the scene.

HCSO Sgt. Jason Brown said at the scene that the case is being investigated as a death in custody due to the circumstances. Investigators said there is no indication that deputies fired their weapons. The completed investigation will be submitted to the Harris County District Attorney's Office for review.