Seven Mars Area elementary students and a driver were sent to the hospital after a school bus slammed into a tree in Butler County on Thursday morning. According to the Adams Township police chief, there were about 20 students on board when it crashed on Three Degree Road near the township park around 8:30 a.

Emergency responders are headed to the scene of a crash involving a school bus in Adams Township. Dispatchers confirmed to Pittsburgh's Actions News 4 a school bus crashed in the 1600 block of Three Degree Road in Butler County Thursday morning. At this time, officials have not said if anyone on the bus was injured.

All students, who were on the bus at the time of the accident, were evaluated by emergency medical personnel and their parents/guardians have been contacted directly,” Superintendent Dr. Mark Gross said in a statement.