HOUSTON, Texas — A man disappeared underwater while swimming in Sims Bayou near Mosa Creek and Allendale around 5:30 p.m., according to Houston police.

Police say the man’s car had broken down, and a witness came to help him repair it. While they worked on the vehicle, the man said he wanted to swim in the bayou. The witness told police he advised the man against it.

The man entered the bayou fully clothed and began swimming. Police said he went underwater multiple times before failing to resurface.