TINICUM TWP., Pa. -

Authorities in Bucks County are still searching for a missing swimmer in the Delaware River.

The victim has been identified as 30-year-old Anthony Del Prete of Herndon, Virginia, according to our partner station, WPVI in Philadelphia.

Officials said Del Prete was tubing with friends when he went under around 4 p.m. Saturday in Tinicum Township.

Many boats have been on the water since Saturday to help with the search.