A 6-year-old boy has died after being struck in the head by a bullet that came through the wall of his family's Houston-area apartment from an adjacent unit. The child was pronounced dead Thursday night after being taken by helicopter to an area hospital. Harris County sheriff's deputies say five people from a neighboring apartment were detained for questioning in the shooting. Scroll down for video . Deadly accident: A 6-year-old boy was mortally wounded in the head when someone fired a gun through a wall from an adjacent apartment in Harris County, Texas . In tears: The victim's emotional uncle is seen being comforted by the slain boy's 3-year-old brother . After the bullet hit the boy in the upper head, his mother discovered him and called authorities. According to Harris County Sheriff's Office, the boy was inside an apartment at 6301 Sierra Blanca in Harris County just before 8pm when a gun was fired in a next-door unit. Deputies said the bullet pierced the wall connecting the two apartments and struck the boy in the head. 'He was laying in the bed and the bullet hit him right on the head,' a family friend, Joel Saldanas, told Click2Houston. 'When the mom came in the room she found him there bleeding. Blood all over, he was just laying there unconscious already.' In custody: Five people, among them three minors, from a neighboring apartment were detained for questioning in the shooting . Harris County Sheriff's Deputy Gilliland is pictured talking to reporters about the shooting . Responding officers detained for questioning five suspects, among them three minors and two adult males, reported Houston Chronicle. So far, no charges have been filed in the shooting. The mortally wounded 6-year-old was airlifted by LifeFlight to Memorial Hermann-Texas Medical Center, where he was pronounced dead at 8.20pm. The victim's 3-year-old brother was in the bedroom at the time of the shooting but escaped unharmed.
Boy was shot in front of his 3-year-old brother in Harris County, Texas . Five people, among them three minors, were taken in for questioning .