HOUSTON (KIAH) — Police are investigating a drowning incident involving a young boy in a bathtub in a southwest Houston home on Saturday night. 

Emergency crews were called to a home at the 15600 block of Corsair Road around 10 p.m. for reports of a 9-year-old boy drowning. 

When they arrived, the grandfather of the boy was performing CPR on him after finding him unresponsive in the bathtub where he was taking a shower. 

The boy was transported to a hospital, where he was pronounced dead. 

Authorities said that the incident is under investigation.