OMAHA, Neb. (AP) — Authorities say hash oil was being manufactured inside a house in Omaha shortly before a reported explosion that injured two people.

The Omaha Police Department says officers received a radio call Tuesday afternoon about an explosion at the house, located in a neighborhood on the north side of the city.

Police say a preliminary investigation determined hash oil was being manufactured in the home prior to the explosion. The explosion was caused by fire and toxic fumes.

Two people received minor burns and were transported to a nearby hospital. Additional information about their injuries was unavailable.

Police say the investigation is ongoing and charges are pending.