Police have arrested a 17-year-old in the shooting death of a high school student on the campus of an Arlington, Texas, high school.

Arlington Police Chief Al Jones said 18-year-old Etavion Barnes was found unresponsive with multiple gunshot wounds on Wednesday afternoon outside portable buildings on the campus of Bowie High School. According to police, detectives still are working to determine a motive but said it appeared the two knew each other. Authorities have not yet recovered a weapon in the killing, and no other injuries were reported.

The suspect, identified as Julian Howard according to Arlington Jail records, was charged with murder, with police saying it appears that Barnes was targeted. Police Chief Jones said the shooting was reported about 2:50 p.m., shortly before classes were scheduled to be dismissed, and the school was placed on lockdown for about two hours before students were allowed to leave, adding: “we’re still early on in our investigation, our detectives are working to determine a motive.”

A press release from the Arlington PD read: “We, as a community, cannot tolerate this kind of violence. Not in our neighborhoods and not in our schools. Violence is never the right answer. We will continue to work in lock step with our partners at Arlington ISD to ensure our schools are safe spaces where students can learn.”

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