LOUISVILLE, Ky. (WHAS11) – Officials are investigating after a fire at Waste Management on Grade Lane caused black smoke to billow into the sky not too far from the airport.

Crews worked to contain the blaze since 7 p.m. Sunday.

The fire appeared to be coming from inside the landfill.

Officials with MetroSafe say no one was injured in the fire.

A spokesperson from Waste Management said the trash had caught fire likely because of a cigarette. He said this time of year, when it's hot and dry, it becomes more likely for trash to catch fire.

There is staff on-site to deal with situations like this.