A 23-year-old Dallas man drowned Sunday evening after trying to swim across a section of Lake Lewisville, authorities said.

Lewisville Lake drowning What we know: The victim, identified as Margarito Gregorio, was last seen by witnesses around 8:40 p.m. on July 26 swimming from the west bank toward the east bank of Lake Park, according to Texas Game Wardens.

Game wardens and local emergency personnel responded to the Lake Park boat ramp area to launch a search effort.