OAKLAND (CBS SF) — Police seized a large quantity of marijuana, confiscated four guns and arrested a 33-year-old man during a raid at an apartment near an Oakland elementary school, authorities said.

Oakland police spokeswoman Johnna Watson said police served a search warrant Thursday night after they received information that the man was growing and selling marijuana from his residence in the 700 Block of Brooklyn Avenue near Cleveland Elementary School.

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Watson said city and school police officers who served the warrant discovered 15 to 20 pounds of marijuana that was ready for sale, 260 marijuana plants, an assault rifle with a 90-round capacity drum, a shotgun and two pistols, one of which was reported stolen in Oklahoma City in March 2010.

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She said that during their investigation police discovered that the suspect was shipping marijuana to Milwaukee.

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