HAMILTON, OHIO: An Ohio teen accused of fatally stabbing his stepfather on Fatherís Day has pleaded not guilty to a murder charge.

The Butler County prosecutor says 18-year-old Michael Ray entered the plea at a hearing Wednesday in Hamilton.

A Butler County grand jury indicted Ray on the murder charge last week in the stabbing death of 36-year-old Bryan Schmidt. Authorities say Schmidt was stabbed at the familyís home in a subdivision north of Hamilton on June 17.

Authorities have not commented on a possible motive.

Ray remains in jail with bond set at $500,000. The judge set a trial date of Oct. 15.

Rayís attorney did not immediately return a call for comment Wednesday.