Authorities from Omaha, Bellevue and Iowa conducted a Missouri River search Monday morning after receiving a report of people in the water near the Interstate 80 bridge.
Later, authorities said they believed it was kayakers who were spotted in the water.
Officials searched the river between the I-80 and Veterans Memorial bridges.
About 8:05 a.m., authorities received a call from a passer-by that several people were spotted in the Missouri.
By 9 a.m., authorities had called off the search.