Nassau police are investigating a home-invasion robbery in Elmont early Sunday.

Police said that at about 3:11 a.m., four males came into the home on Leighton Road wielding handguns and a stun gun.

They awoke a girl, 17, and two women, ages 35 and 45, who lived at the home, and demanded cash, police said, adding that the suspects left with an unknown amount.

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The men struck the two women with a handgun to the head and hit the girl in the arm with a stun gun. The men "ransacked" the house while the women were kept in the bathroom, police said in a news release.

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Police described four suspects in their mid-20s. One suspect is 6 feet tall and wore a white baseball cap and a red, long-sleeved plaid shirt, police said. Another, police said, was 5-foot-8, had a goatee and mohawk, and wore a baseball cap.

Police said the third suspect is about 5-foot-5, with a stocky build and brown eyes, and he wore shiny earrings and a silver watch. The fourth suspect is 5-foot-6 and thin and wore dark clothes with a hood, police said.

Anyone with information should call 800-244-TIPS. Calls are anonymous.