New Delhi, March 17 -- All schools in Independent School District 196, one of Minnesota's largest districts, remain closed on Tuesday (March 17) after multiple voicemail threats were reported to district officials. The district oversees more than 30 schools across Rosemount, Apple Valley, and Eagan.

District 196 officials stated on their website that the closures were precautionary.

"The safety of our students and staff is always our top priority," the district said.

"Multiple schools received voicemail threats, which were first discovered at 3:30 a.m. this morning. District officials contacted law enforcement, who began investigating immediately. At 5:45 a.m., district officials decided to cancel schools out of an abundance of caution...