First responders have responded to the northbound bridge of the Kansas River near downtown Lawrence.

Police cars, a fire truck and an ambulance were on scene around 9 a.m. Friday.

It was unclear what was happening, but one person could be seen huddled on a concrete structure where the dam drops just east of the bridge, and officers were speaking to the person.

The Journal-World has reached out to police and the fire department for more information.