Officials of Mansfield Correctional Institution in Ohio said a drone dropped a package of drugs on July 29 into the prison yard while inmates were outside which sparked a fight among inmates.

A spokeswoman for the Department of Rehabilitation and Correction says it contained almost a quarter of an ounce of heroin, over 2 ounces of marijuana and more than 5 ounces of tobacco.

An investigation determined the drone dropped a package intended for an inmate on the north recreation yard, and it was thrown over a fence to the south recreation yard. However no injuries were reported.