WILLMAR, Minn. — Authorities say a father has died while trying to rescue his young son who had fallen off a pontoon boat on a Kandiyohi County lake.

Sheriff’s officials say the 45-year-old man drowned in Bass Lake while trying to save his 6-year-old son. The boy made it safely to shore, but his father disappeared under water.

Deputies say neither of them were wearing life jackets.