Published: Apr 24, 2013 11:30 PM EDT

Upper Marlboro, MD- Prince George's County fire crews are on the scene of a mulch fire in Upper Marlboro, Maryland Wednesday night.

Foam trucks from Baltimore Washington International Airport , Reagan National Airport, Fairfax County and Joint Base Andrews are being called in to assist in extinguishing the fire.

Fire officials say no structures are in danger, but shifting winds are complicating their efforts.