Man Killed By Grizzly Bear at Yellowstone 16.68K Seth Abramovitch 07/06/11 11:56PM Filed to: Briefly Briefly Accidents Bears Nature Yellowstone Grizzly A grizzly protecting her cubs attacked a couple at Yellowstone, killing the husband. It's the first fatal attack there in 25 years, but the third in the region this year. Officials say the bear "behaved normally" and wouldn't be killed.