LAKE KOSHKONONG, Wis. -

Lake Koshkonong was the site of an ice breakthrough on Sunday.

Rock County dispatchers confirm two people broke through the ice on a snowmobile.

The incident happened at 3:45 p.m. The dispatchers said the snowmobilers climbed onto the ice themselves.

Stay tuned to WISC-TV and Channel3000.com for more on this developing story.