Eat salmon, win prizes: Fat Bear Week begins in Alaska’s Katmai national park

Fattest brown bears, bulking up for hibernation, pitted against each other in online public vote - who will win?

It's that time of year again, when audiences turn to a welcome distraction from the heavy news cycle: Katmai national park and preserve in southern Alaska is celebrating its fattest brown bears.

The park is set to kick off its annual Fat Bear Week on Tuesday, an online competition where the public votes for the park's fattest brown bear.