Three firefighters were killed in the wildfire this weekend on the Utah-Colorado border. have been identified on Monday by the US Forest Service. The US Department of the Interior said in a statement that the firefighters were caught in a "burnover," which occurs when firefighters get trapped on all sides and take shelter in a protective shelter that is part of the equipment.Representational. (Unsplash)In a statement on Monday, the US Department of Interior said that the firefighters were: Emily Barker, 38, from Clinton Township, Michigan; Nick Hutcherson, 27, from Glendale, Arizona; Sydney Watson, 26, of Warrior, Alabama.Multiple fires broke out along the Utah-Colorado border, burning around 28,000 acres. It originated with the Snyder Fire, which merged with the Jones Fire, and then merged with the Knowles and Gore fires.The Department said that the firefighters were assigned to the Rifle Helitack crew and were initially attending to the Knowles Fire. The fire has not been contained as of now.“We mourn the loss of three firefighters who answered the call to protect others and made the ultimate sacrifice in service to their fellow citizens,” a statement from U.S. Wildland Fire Service Chief Brian Fennessy included in the Department of Interior.“Our thoughts are with their families, loved ones, friends and crewmates as they face an unimaginable loss," it continued. "These firefighters embodied the courage, professionalism and selflessness that define the wildland fire service."This story is being updated.