An internal investigation found Ann Arbor police officers acted appropriately when they made eight arrests in August during a Punk Week gathering at Bandemer Park, Police Chief Barnett Jones said today.

Two people had filed complaints alleging excessive force, but Jones said officers handled themselves well considering people were screaming, swearing and threatening to sick dogs on them.

"I don't believe there is any cause or need for discipline," Jones said.

The Aug. 15 arrests occurred after police responded to a report that people were naked and smoking marijuana at the park. Officers ordered people to leave, and witnesses say a heated exchange ensued.

Those arrested were sentenced to time already served in jail after they each pleaded no contest to a misdemeanor charge of disturbing the peace.