Stimpson M. Stowers, 23, of Genoa City, Wisconsin, (left) and Dignan M. Stowers, 21, of Genoa City, Wisconsin (right).

Prosecutors say two brothers beat a man in an unprovoked attack, leaving him and a woman, who tried to intervene in the first attack, injured in the parking lot of a Round Lake Beach business.

Stimpson M. Stowers, 23, of Genoa City, Wisconsin, was charged with aggravated battery using a deadly weapon, aggravated battery causing great bodily harm and aggravated battery in a public place.

Dignan M. Stowers, 21, of Genoa City, Wisconsin, was charged with two counts of aggravated battery causing great bodily harm and one count of aggravated battery in a public place.

Lake County Assistant State’s Attorney Jason Humke said during a bond hearing on Saturday that the incident occurred at the Rent-A-Center, 413 West Rollins Road in Round Lake Beach.

A man was in the parking lot of the business when he was approached by two men wearing all black that he did not know.

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The two men, later identified as the Stowers brothers, both beat the victim, Humke said.

Dignan Stowers used an expandable baton to hit the man, Humke said.

The victim was beaten repeatedly and had to be transported to Advocate Condell Medical Center in Libertyville for treatment.

A woman tried to intervene in the attack and the suspects pushed her to the ground, leaving her with a broken wrist, Humke said.

The Stowers brothers also allegedly struck the woman repeatedly.

The two suspects fled on foot through yards but officers caught both of them and took them into custody.

Humke said that Dignan Stowers was found with an expandable baton and a black switchblade when police arrested him.

Lake County Judge James Simonian ordered both held on a $30,000 bond.

The two men were released from the Lake County Jail after each posting $3,000 cash.

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Both are scheduled to appear in court again on November 1 for a status of preliminary hearing.