ROCK HILL, S.C. (AP) - Authorities say seven people attending high school graduations in Rock Hill are facing charges after police say they cheered while students' names were being called.

Authorities say six people at Fort Mill High School's graduation were charged Saturday and a seventh at the graduation for York Comprehensive High School was charged Friday with disorderly conduct.

Police say those arrested yelled after students' names were called while diplomas were handed out.

A police spokesman says school officials request police patrols to prevent graduation disruptions that include standing, hollering and clapping.

He says those attending the commencements are told their behavior can be prosecuted.

Rock Hill is about 70 miles north of Columbia, South Carolina.