Sandusky police confirm four people were taken to the hospital after possibly overdosing at Cedar Point Tuesday.

According to officials, the four arrived together and two were treated inside the park. The other two did not even make it inside before requiring medical treatment. Their exact conditions are not known at this time.

In addition, one police officer was also transported as a precaution due to possible exposure. He is expected to be fine.

Authorities say they do not yet know what cause this situation to occur, and nothing is being ruled out. An investigation is ongoing.