SPOKANE, Wash. -

Multiple agencies are searching the Spokane River between Mission and Trent for an adult male that eyewitnesses spotted struggling in the water.

Authorities were first alerted about the person in the water at 3:50 p.m. and multiple police and fire agencies responded to the riverbank to join in the search.

MedStar joined in the search from the air, with a helicopter flying up and down the river aiding in the search, while kayakers have been deployed on the river to search for the man.

So far the man has not been located and the search is continuing.