On Monday at about 3:30 p.m., the Houston Fire Department said one person was trapped in a trench near the 10000 block of North Loop East.
HFD said the person was "alert, oriented, and conscious" after they were working on a utility line and collapsed.
Ladders and heavy equipment were brought in as part of the rescue efforts.
Officials ask drivers to avoid the area due to heavy emergency traffic.
For updates on this story, follow Brooke Taylor on Facebook, Twitter and Instagram.