PORTLAND, Ore. (KOIN) — A firefighter working a fire in Josephine County died on Thursday, officials said.

The Oregon Department of Forestry and Bureau of Land Management confirmed the death in a Facebook post.

“Our deepest sympathies are with the family, friends and fellow firefighters during this time,” ODF said.

The identity of the firefighter is being withheld until the family is notified. An investigation is underway to determine the cause.

Last week, a firefighter from Colorado, 27-year-old Collin Hagan, died while fighting a wildfire in Douglas County, Ore. Hagan was seriously hurt by a falling tree before he succumbed to his injuries, according to officials.

KOIN 6 News has reached out to ODF for more information.