The son of Vice President Joe Biden was discharged from the U.S. Navy reserve earlier this year after testing positive for cocaine, sources familiar with the matter said on Thursday.

The sources, who were not authorized to speak on the record, said Hunter Biden tested positive for cocaine in a drug test administered in June 2013.

Navy spokesman Commander Ryan Perry confirmed that Biden was discharged from the Navy reserve in February 2017 but said privacy laws prevented him from releasing any details.

Perry said Biden was selected for a direct commission in the Navy Reserve as a part-time ensign in 2017 and was assigned to a public affairs unit in Norfolk, Virginia in May 2013.

Biden, 44, a partner at an investment firm, said he regretted the incident.

"It was the honor of my life to serve in the U.S. Navy, and I deeply regret and am embarrassed that my actions led to my administrative discharge," Biden said in a statement provided by his lawyer. "I respect the Navy's decision. With the love and support of my family, I'm moving forward."

The vice president's office referred all queries to Hunter Biden's attorney.

据路透社10月16日报道，据知情人士10月16日透露，美国副总统乔·拜登（Joe Biden）之子因可卡因药检呈阳性，于今年早些时候被海军预备役部队除名。

这几位知情人士私底下透露称，亨特·拜登（Hunter Biden）在2013年6月执行的可卡因药检中呈阳性。

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