Students at Mankato East Junior and Senior High Schools were evacuated for a time today (Monday) following the discovery of a bomb threat this (Monday) morning. School officials say a threatening note was found on a restroom floor in the high school. Students were evacuated at around 9:50 am. Students were able to return around 12:30 pm. A sweep of the building was done with investigators with the Mankato Department of Public Safety and school administrators. Police continue to investigate the incident and urge anyone with information to contact them.