THE BRONX - The father of a star football player has pleaded not guilty to assault during an argument in a Bronx parking lot where his son was stabbed and later died.

Andre Muller is accused of hitting a parking attendant over thehead with a shovel after an argument following his son's graduationon Tuesday. Prosecutors say the wound required 10 stitches. Policesay Isayah Muller was stabbed when he got involved in the fight andlater died.

Andre Muller's not guilty plea was entered Wednesday.

He will testify before a grand jury weighing whether to chargethe parking attendants in the teen's death. His lawyer didn'treturn a call seeking comment.

Truman H.S. football star killed hours after graduation

Friends, teammates gather to remember slain football star