HFD is responding to a building collapse on Aldine Bender Road. The flat roof of a post office facility mail distribution area collapsed. The building was occupied at the time but everyone made it out. 3 people are being transported with minor injuries. @FireChiefofHFD pic.twitter.com/X6exlPtAY1 — Houston Fire Dept (@HoustonFire) September 19, 2019

HOUSTON, Texas (KTRK) -- The roof of a post office mail distribution facility collapsed amid severe weather in northeast Houston Thursday, according to the fire department.It happened shortly before noon at the USPS facility located at 4600 Aldine Bender Rd.Investigators say there were people inside the building at the time, but everyone was able to make it out. Three people were sent to the hospital with minor injuries, according to HFD.In photos posted to the HFD's Twitter account, multiple cars are seen parked near the building, one of which was heavily damaged after a piece of the building fell on its top.USPS released a statement Friday saying the facility sorts mail and packages, and provides services for commercial mailers. They say retail service isn't offered at this facility and it's not open to the public.Customers who are looking for information on possible weather-related impacts to their mail delivery are asked to call 1-800-ASK-USPS (1-800-275-8777) or visit the USPS Service Alerts website