OAKLAND -- A US Airways passenger at Oakland International Airport checked in a luggage bag containing 65 pounds of marijuana Thursday, a Transportation Security Administration spokesman said.

The unidentified passenger was arrested by Alameda County Sheriff's Office deputies after a random search of the bag unearthed the pot, TSA spokesman Nico Melendez said in an email. The luggage was bound for a plane headed to Charleston, S.C., Sheriff's Office spokesman J.D. Nelson said through a text.

KGO reported that the marijuana was found in vacuum-sealed bags and had an estimated value of $300,000.

The TSA contacted Sheriff's Office deputies after the discovery, Melendez said. No other details were available immediately.

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Contact Rick Hurd at rhurd@bayareanewsgroup.com. Follow him at Twitter.com/3rdERH.