READING, Pa. – A fire at a storage facility in Berks County is under investigation after a body was found inside.

According to the firefighters’ union in Reading, the fire broke out around 3:30 a.m. Sunday at a storage facility in the area of Angelica St. and Lancaster Ave.

Officials with the union say that the fire was hard to fight because of the materials inside the units.

Union officials say they discovered a deceased person inside.

The fire is now under investigation.