Two 13-year-old students were arrested after they allegedly beat their classmate with a Stanley cup last month, according to police.

Two 13-year-old girls were charged with multiple felonies this week after seriously injuring another student with a Stanley cup during a fight at a Delaware middle school, officials said.

Two 13-year-old girls and a 12-year-old boy have been arrested and charged with assault-related offenses following an assault on another student at a New Castle County middle school using a metal Stanley cup.

Police say the girls beat another 13-year-old with a metal Stanley cup. A 12-year-old boy joined in on the beating, striking the victim with his hands, investigators said.