Oklahoma City firefighters put out an early morning fire at a building in northeast Oklahoma City.

This happened just before 11:30 p.m. Tuesday near Northeast 3rd and Kate Avenue.

Firefighters say a bin full of dust mops caught fire.

The building’s sprinkler system helped contain the fire to the bin.

Firefighters put out the fire.

No one was hurt.

Firefighters aren’t sure how the bin caught fire.