(AP) — Fire officials have commended the nursing staff at a Scottsbluff hospital for putting out a minor fire and keeping patients calm.

The Scottsbluff Fire Department says the Monday night fire at Regional West Medical Center caused no injuries and minimal damage. Heavy smoke was reported on the third floor of the north side of the hospital.

Nursing staff used an extinguisher to stop the fire, which originated from a heating, ventilation and air conditioning unit in the hallway.

Fire officials have commended the nursing staff for using the extinguisher and sheltering patients.