Mentor Police broke up a drinking party that teenagers were throwing Friday night in a storage unit at , according to the department's Facebook page.
A witness spotted teens parking in a nearby lot and crawling underneath Uncle Bob's fence, so they called police.
When officers arrived, they could hear loud music and shouting coming from the unit, as well as a single extension cord.
Police disconnected the cord and the music stopped. Then the overhead door on the storage unit opened.
Police saw about 15 teenagers partying in the unit.
The teens had set up a beer pong game inside of the unit, as well as couches, chairs and a Christmas tree of beer cans, according to police.
Officers arrested four adults and five juveniles for alcohol and marijuana violations. The suspects' names have not been released yet.