A Florida dad shot his daughter's abusive ex-boyfriend dead after the man allegedly assaulted her in her apartment – then came back for more, according to police.

Gainesville police officers responded to a domestic dispute at the Polos Apartments complex on Saturday and determined the unidentified ex-boyfriend had been inside the woman’s apartment and "physically assaulted her," a police statement said. The woman's father also came to the apartment in the aftermath, police said.

About 30 minutes after police took a report for the alleged domestic dispute, the ex came back and "made entry," according to police.

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Florida apartments

Entrance to the Polos Apartments in Gainesville, Florida. (Google Maps )

This time, however, her father shot the suspect once in the chest with a handgun, according to police.

The suspect fled and responding officers found him mortally wounded near his car. He was declared dead by EMS despite CPR efforts, authorities said.

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The investigation is ongoing, according to the Gainesville Police Department

Residents of the apartment complex expressed shock over the shooting to local media.

Man with hand on his firearm

A Florida dad shot his daughter's abusive ex-boyfriend dead after the man allegedly assaulted her in her apartment and then came back for more, according to police. (iStock)

"Everyone I speak to here is so nice," one resident identified only as "Cona" told WCJB. "I come and I work out here every day, and everyone I interact with is so genuine and kind, so it was one of those things where it’s definitely out of the blue."

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Resident Dalton Graham said the area is generally safe, noting the complex is located near the University of Florida campus.

Florida police car

The Gainesville Police Department said the investigation is ongoing. (Gainesville Police Department / Facebook)

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"I thought that you had the wrong Polos or something," Graham told the outlet. "I have nothing but good things to say about the university and the city in general, and especially the Polos Apartments. Never really had anything like this, so it was pretty shocking."