PHOENIX >> Fire officials say a massive fire at an abandoned warehouse in Avondale is 90 percent contained.
Firefighters from Avondale, Tolleson, and Phoenix were outside battling the blaze as parts of the building collapsed Saturday night.
A Phoenix Fire Department spokeswoman said policy is to send out an extra engine because of the high temperatures.
Authorities say it was unknown if anyone was in the building when the fire began.
Captain Ardell Deliz says the cause of the fire is unknown.