A ranger at a national park in Minnesota has died. The National Park Service said Sunday that the ranger died while responding to a call for help at Voyageurs National Park in St. Louis County. The ranger’s name has not been released, but the NPS said he responded to Namakan Lake to help several civilians on a compromised boat.

A park ranger died while rescuing troubled boaters from a Minnesota lake, officials say. Voyageurs National Park officials said the ranger responded to Namakan Lake on Sunday, Oct. 6, to help a group of civilians. A father and his two kids were stranded on the water when their boat became stuck, according to KQDS.

A park ranger died Sunday in Voyageurs National Park while trying to rescue three people from a lake. Park officials said the ranger responded to "a call for assistance from a distressed civilian vessel on Namakan Lake" late Sunday morning.