William J. Roberts is being held in the Ada County Jail on a felony charge of aggravated battery after Boise police say he stabbed another man in the left side and shoulder Tuesday night at Morris Hill Park on Roosevelt Street.

The victim called Boise police from a local hospital around 9 p.m. Tuesday. That man said he met Roberts, who is known to him, at the park earlier that night and they got into a confrontation that ended with Roberts stabbing him at least twice.

The victim got a ride to the hospital, where he was treated for what police say appear to be non life-threatening injuries. Police found Roberts a short time later and developed the evidence to arrest him on the aggravated battery charge, according to reports.

Ada County prosecutors say Roberts was recently jailed on a misdemeanor drug charge and suspected the victim, who he used to work with, was responsible. The victim told police Roberts just recently got out of jail and called him to set up a meeting at a public place. The victim took a friend with him to the dog park, thinking it was safe.

The victim said Roberts let out three dogs, who cornered his friend, before Roberts walked up to him and stabbed him twice, according to court records. It is unclear what time this happened or if anyone else was at the park.

Roberts is being held in the Ada County Jail on $500,000 bond. A preliminary hearing is set for April 3.

The crime of aggravated battery is punishable by up to 15 years in prison.