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Passengers arrive at Hong Kong International Airport on February 17, 2023.
Hong Kong CNN  — 

An American politician has been arrested in Hong Kong for carrying a gun into the city, according to a charge sheet seen by CNN, in what he has called an “honest mistake.”

Washington state senator Jeff Wilson was arrested on Saturday at Hong Kong International Airport and charged with possession of a firearm without a license, the charge sheet states, an offense punishable by up to 14 years in prison and a fine of more than $12,000.

Wilson appeared in the Sha Tin Magistrates’ Court on Monday and was granted bail, according to public broadcaster RTHK.

The Republican state senator, whose full name is Stephen J. Wilson, said he did not realize he had packed his pistol in his briefcase while he and his wife were traveling for a five-week vacation to Southeast Asia, according to a statement posted on his website.

“It was an honest mistake. And I expect the situation to be resolved shortly,” Wilson said in the statement.

Wilson said he “discovered the weapon mid-flight between San Francisco and Hong Kong.”

He “did not realize his pistol was in his briefcase when he passed through airport security in Portland, and baggage screeners failed to note it,” the statement added.

Wilson said in the statement that when the plane landed in Hong Kong, he “immediately went to customs officials and called their attention to the issue.”

In an emailed reply to CNN, a spokesman for the Transportation Security Administration said the “TSA is aware that a passenger on a flight departing from Portland International Airport Saturday passed through security and traveled with an unloaded firearm in his carry-on bag.”

“The individual was arrested upon arrival in Hong Kong. TSA takes this situation very seriously and is currently investigating the circumstances,” it said.

“The penalty for bringing a firearm to a TSA checkpoint may be as high as $15,000, and those stopped are ineligible for TSA PreCheck for up to five years,” it added.

CNN has reached out to Portland International Airport and San Francisco International Airport for comment.

A US Consulate General spokesperson said they are aware of the reports and have no further comment due to privacy considerations.

Hong Kong’s Customs and Excise Department told CNN via email that it had no comment to make given legal proceedings are underway.

Wilson faces his next court hearing in Hong Kong on October 30, RTHK reported.

Under Hong Kong’s strict gun control laws, no one is allowed to possess any arms or ammunition unless they have a license from the Commissioner of Police. Licenses are only given to police officers, armed security guard services and operators of exclusive shooting range clubs.

Gun violence is very rare in Hong Kong, unlike in the United States where firearms are now the No. 1 killer of children and teens.

In Washington state, open carry is allowed for both long guns and handguns without a license, which means individuals can carry a firearm in many public areas, although private property owners may prohibit firearms on their property. However, a license is needed to carry concealed firearms in the state.

Wilson noted in his statement that his pistol was registered in Washington state and that he holds a concealed pistol license.