A domestic dispute between a boyfriend and girlfriend in Puerto Rico reportedly led to the brutal death of the woman's Chihuahua.

According to the BBC, Luis Arroyo, 40, killed the 2-month-old puppy by biting off its head on Feb. 4 in the mountain town of Lares.

Arroyo, who was unemployed, had been living with his 38-year-old girlfriend for six months when he punched her and decapitated her puppy, the report said.

He pleaded guilty to charges of domestic abuse and animal abuse, and was sentenced to seven years in prison, the BBC reported.

Arroyo is also required to pay a $3,000 fine relating to the case, according to the BBC.

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