SALT LAKE CITY, Utah – Authorities responded to the Little America hotel Monday after a report of a boiler room explosion.

The explosion happened just before 10:30 a.m. at 500 S. Main Street.

Salt Lake Fire Department Capt. Tony Stowe said two people were transported to the hospital.

Authorities said the two were injured while servicing an over-pressured boiler. One of the victims suffered serious injuries, and the other suffered critical injuries.

This article will be updated if new information is made available.