LISBON, Maine (NEWS CENTER) - The Lisbon Police Department is investigating the flattening of tires on 15 school buses.
The school district cancelled classes Monday because of the transportation issue.
School officials said Monday morning a bus driver discovered the flat tires around 6 a.m. The school department then scrambled to notify parents and students that classes had been cancelled for the day.
As of 10:30 a.m., crews were on scene putting air back in the tires, and school was expected to reopen Tuesday.
Police are continuing the investigation, and no suspects have been identified yet.