Doctors said several people had been brought to city hospitals with gun shot wounds or deep cuts from machetes.
Witnesses reported large clouds of smoke coming from burning buildings and vehicles in Nassarawa Gwom.
Mohammed Lerema, a state police spokesman, said the situation had been brought under control by late on Sunday.
"We have arrested 35 suspects, including five in military uniforms," he said.
However state officials said they had requested extra security reinforcements be sent to Jos from other parts of Nigeria.