Authorities say a man has died after going underwater in the Salt River on Memorial Day.
Maricopa County Sheriff's Deputies say they were dispatched to the Sheep's Crossing area for a drowning call just after 4 p.m.
Witnesses say a man was swimming when he went underwater and did not resurface.
When deputies arrived on the scene, they located the man with the help of others on the scene.
Deputies say they attempted to save his life but were unsuccessful.
Officials are not sure why the man went under.
MCSO says this is an ongoing investigation.