WICHITA (AP) – Wichita authorities are investigating after a bottle filled with an unknown liquid and aluminum foil burst inside a Wal-Mart.

Police and fire responders were called to the store in west Wichita Thursday morning. No one was injured and the store was not evacuated after the 20-ounce bottle exploded.

Sgt. Jerry Quick says store security tapes will be reviewed and the police department’s bomb disposal team will investigate the device.