HOUSTON — A student was killed and another person was wounded in a shooting outside a Texas Southern University student-housing complex Friday, and police have detained two men for questioning, authorities said.

The university quickly went on lockdown after the shooting was reported around 11:30 a.m. in a parking lot at the University Courtyard Apartments, a university-owned complex on the edge of the Houston campus. Students and teachers were told to stay inside until the lockdown was lifted Friday afternoon after the two men were detained, but police said no arrests have been made.

The incident marked the third shooting on or near the campus in less than a week, though it’s unclear whether they were related. Friday’s shootings also came the same day as a fatal shooting at Northern Arizona University.

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