ANCHORAGE, Alaska (KTUU) - A man is missing in Western Alaska after an ATV was found in a river under an open hole in the ice, according to Alaska State Troopers.

Troopers were alerted that the man was missing Friday.

He and another man were using ATVs to travel from Bethel to Napaskiak, according to troopers.

The man who reported the situation said he followed the other man’s ATV tracks to the open hole in the ice in the middle of a river where he could see an ATV underwater.

Bethel search teams started looking for the missing man once there was enough daylight Saturday, according to troopers.