(AP) — Authorities are investigating after two burned bodies were found inside a minivan in Kansas City, Kan.

Police said firefighters made the discovery early Sunday while responding to a report of a vehicle fire. Police said the contents of the Oldsmobile Silhouette were burned beyond recognition. The identity of the victims will not be released until they are positively identified and their families notified.

Police are asking the public to call with tips. No other information was immediately available.