No one is elaborating as the investigation has just begun.

Pasco police and fire crews were called to a room at the Loyalty Inn on West Lewis in Pasco around 5:15AM Tuesday as residents and staff were awakened by a loud explosion.

Upon arrival at the Inn in the 1800 block of Lewis, officers found an explosion had occurred in the bathroom of one of the rooms.

There was no after-fire and the two people in the room were not injured. According to reports police and fire officials said some "combustible" materials blew up and that it was the result of activity by the individuals in the room.

No arrests have been made...yet.

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