BERKELEY (CBS SF) — Police at UC Berkeley were investigating after reports early Friday of 10 gunshots heard near the campus in three different locations.

Gunfire was first reported at 1:37 a.m., when six shots were reported in the 2500 block of Durant Avenue.

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Witnesses told police they saw a male suspect wearing a gray hoodie firing a gun, but it wasn’t known if he was intentionally firing at someone or something, UC police said.

The suspect left in a black Mazda sedan driven by a female driver, headed southbound on Bowditch Street from Durant Avenue, police said.

When officers from the UC and Berkeley police responded to the area, they didn’t find anyone injured.

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Less than an hour later, about 2:10 a.m., police received a similar report. This time, three gunshots were reported in the 2300 block of Piedmont Avenue.

Following that, at 2:17 a.m., police received a report of a single gunshot in the 2500 block of Warring Street.

Officers responding to the second and third reports found no suspects or victims in the area.

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Anyone with information is asked to call UC police criminal investigation bureau at (510) 642-0472 during business hours and (510) 642-6760 at all other times.