Genaro Bahena-Arellano, 47, of Carpentersville, (inset) has been charged with smashing a glass bottle onto another person’s head, causing a serious laceration, at Main Street PourHouse in Woodstock Thursday evening. | Background Photo: Google Street View

A judge denied pre-trial release for a Carpentersville man accused of smashing a bottle over a person’s head, causing a severe wound, during an “unprovoked attack” at a bar in Woodstock.

Genaro Bahena-Arellano, 47, of Carpentersville, was charged with aggravated battery in a public place, aggravated battery with a deadly weapon and possession of a controlled substance.

A criminal complaint filed in McHenry County Circuit Court alleges Bahena-Arellano battered a person while at Main Street PourHouse, 214 Main Street in Woodstock.

The incident happened around 10:52 p.m. Thursday and the complaint said Bahena-Arellano used a glass beer bottle to strike the victim in the head.

The bottle shattered and the victim suffered a severe laceration to the back of the head, the complaint said.

The victim was transported to the hospital for treatment of their injury.

Officers arrested Bahena-Arellano and found him in possession of an unspecified controlled substance, the complaint said.

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Prosecutors filed a petition to detain Bahena-Arellano, arguing he is a real and present threat to the safety of the community.

McHenry County Judge Michael Coppedge granted the request during a detention hearing held on Friday.

Coppedge said the proof is evident or the presumption great that Bahena-Arellano committed the offense.

Bahena-Arellano’s pre-trial release would pose a “real and present” threat to the safety of the community, Coppedge said.

The judge also found that no condition or combination of conditions could mitigate Bahena-Arellano’s threat to the community.

“The alleged attack was unprovoked and in a public place,” Coppedge said.

Court documents show the victim did not know Bahena-Arellano, who has a history of violent offenses.

“The community cannot be protected with less restrictive conditions of release,” the judge said.

A status of preliminary hearing is scheduled for Tuesday morning.

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