JARRELL, Texas (KXAN) — Two men are presumed dead after getting trapped in a trench collapse in Jarrell Tuesday.

According to Williamson County, recovery efforts are underway at the construction site, which the Jarrell Fire Department says is near the Interstate 35 frontage road around exit 275.

Williamson County says the workers were more than 20 feet deep in a two-foot wide space.

The first calls about the collapse came in at 8:39 a.m.

The Williamson County Sheriff’s Office as well as the Georgetown, Round Rock and Austin Fire Departments are helping with recovery operations.

The Temple Police Department said Temple Fire and Rescue also sent a special operations team to assist.