This is a developing report. Return for possible updates. This article originally appeared on York Daily Record: What's that rainbow sheen in the water near Kiwanis Lake? Officials investigating.

A small oil sheen was spotted at the Port of Long Beach on Thursday. The California Department of Fish and Wildlife’s Office of Spill Prevention and Response announced the detection on ...

A rainbow sheen from an unknown substance was visible Monday in Willis Run near Kiwanis Lake in York, and officials are trying to determine what it is and where it's coming from. Crews also are ...