SASEBO NAVAL BASE, Japan — A Sasebo-based sailor has been arrested for allegedly assaulting his girlfriend during an argument, police officials said.

Petty Officer 2nd Class Lyndon Anthony Lucien Jr., 26, was taken into custody Sunday afternoon at a Shiomi-cho apartment after his 30-year-old girlfriend reported that he assaulted her and threw her to the ground, a Sasebo police spokesman said Monday.

Lucien, who works in Sasebo Naval Base’s port operations department, denies the allegations, the spokesman said. He remained in custody Monday as police investigate the case.

Base spokeswoman Terri Kaltenbacher said Lucien has not been formally charged.

“We will continue to cooperate with the authorities on this,” she said.

The Asahi Shimbun reported that the two were fighting over a break-up.

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