Everyone was safely rescued by 14:37, the sheriff's office said. Mr Studniski said incidents like this occur every once in a while at the lake during this time of year, and that anglers were calm as they were evacuated. "Part of our job is monitoring and looking at cracks and watching the [ice] and making sure we have bridges ready when needed," Mr Studniski said. The sheriff's office warned in its press release that "early season ice is very unpredictable". "Extreme caution should ...