Four juveniles are being held for questioning while authorities are battling a large blaze in north McAllen.
It all happened at an abandoned building off North 29th Street and Mile 3 Road around 8:30 p.m. Tuesday.
Investigators told Action 4 News the the cause of the blaze remains under investigation.
Authorities have blocked off the roadways around the intersection while firefighters work to put out hot spots.
Four juveniles are being held for questioning.
Investigators said they were seen acting suspiciously around the time of the fire.
Action 4 News will provide more information as it becomes available.