Man found dead while working on San Jacinto River

HOUSTON, Texas (KTRK) -- An autopsy will be done to determine how a man died while working on the San Jacinto River.

The crime scene unit with the Harris County Sheriff's Office arrived overnight off the East Freeway to investigate.

Authorities said a two-man crew was working. The captain lost sight of a deckhand, went back to the port and found him unresponsive under one of the hydraulics.

CPR was performed on the man, but he was pronounced dead.