An environmental advocacy organization is looking into a fish kill in an eastern Ohio creek that is also under investigation by the state.
WTOV-TV in Steubenville reports thousands of fish turned up dead across several miles of Opossum Creek in Monroe County after a weekend fire at a gas well site.
State authorities haven't said whether those situations are connected.
An attorney with the Ohio Environmental Council, an advocacy group, visited the area Tuesday. He characterized the fish kill as one of the state's largest and said it may have been caused by the fire or efforts to extinguish it.
Authorities say a tubing malfunction led to a well pad fire that spread to about 20 trucks and set off explosions Saturday. Some families living nearby were evacuated temporarily.