OAKLAND (CBS SF) — U.S. Drug Enforcement Administration officials arrested a man while serving a search warrant at an Oakland marijuana grow Thursday morning, a DEA spokeswoman said.

The warrant was served in the 500 block of East 10th Street near Laney College between 11 a.m. and noon, DEA Special Agent Casey Rettig said.

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Rettig said agents found about 500 marijuana plants at the location and arrested Kristopher Johanson, 45, of Oakland there.

As agents were serving the warrant, there was a vehicle crash in the area that injured a person also believed to be involved with the marijuana grow, Rettig said.

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Oakland fire officials said that crash was reported at 11:41 a.m. and one person was taken to a hospital, but could not disclose the extent of their injuries.

The details of the investigation remain under seal and Rettig could not provide further details.

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