Portland homicide detectives launch investigation after discovery of 3-year-old boy and 7-year-old girl in Wllamette River.

PORTLAND (AP) — Portland Police homicide detectives have launched an investigation after a 3-year-old boy and 7-year-old girl were found in the Willamette River.

The boy was deceased, police say, and the girl was taken to a hospital.

Police say officers were called to the Sellwood Bridge area around 1:20 a.m. Saturday after screams were reported.

Upon arrival, officers tried to find the source of the screams.

Meanwhile, police say, a resident went out onto the water in a boat, found the children and brought them to police on the east side of the river at about 2:10 a.m.

Authorities continued to search both sides of the river.

Portland Fire Bureau and Multnomah County River Patrol boats and Milwaukie Police also responded to the scene. The U.S. Coast Guard sent a helicopter to assist in the search.