Prosecutors say the Central Islip man, who was on parole, fired a loaded gun at another guest in the firehouse parking lot.
The 20-year-old is accused of firing a 3D-printed ghost gun inside his home, killing his teenage friend, prosecutors say.
Guns, switchblades, and brass knuckles were all found in the Lindenhurst home, police say.
Nassau County Highway Patrol Officer Michael Hyland was critically injured in October while escorting a funeral procession in Lindenhurst.
Prosecutors say an Amityville man slashed a relative's neck and held another captive during a violent incident in September.
They were acquaintances, police say.
"The dangers of this profession are real, but so is the bravery and selflessness of the men and women who serve."
He was airlifted with serious injuries, police say.
"This defendant chose to take the life of a man with whom he had just shaken hands." — DA Ray Tierney.
He also threatened someone else with the knife before leaving the home, police say.
Five men were hurt -- four of them with stab wounds, and the fifth one for blunt force wounds, Suffolk police say.
The man, 43, was taken to Good Samaritan Hospital Medical Center in West Islip for treatment of his injuries, Suffolk police say.
He was arrested during a raid at his home early Friday morning, Suffolk police say.
A man was struck and killed in mid-June by a driver who fled, police say.
Suffolk County police are seeking the public’s help to locate a Long Island teenager who has been missing since July.
An 8-year-old boy was struck by an SUV and seriously injured on Long Island Friday afternoon, Suffolk County police say.
A Pennsylvania man found guilty of murder has been sentenced to 25+ years after shooting someone at a party on Long Island, the DA says.
A man walking with his bike was killed in a motor vehicle crash on Long Island on Thursday morning, according to Suffolk County police.
A driver was arrested after leaving the scene of a car crash that critically injured a cyclist on Long Island, police say.
A Long Island teen was reported missing after she did not return to her home on July 24, Suffolk County police announced Monday.
BREAKING: The crash took place Saturday night just after 10 p.m., police say.
A teenager was critically injured after crashing into a utility pole on Long Island early Thursday morning, Suffolk County police say.
A Long Island man has been sentenced to over 2 decades in prison for sexually abusing and raping his stepdaughter for years, the DA says.
Police body camera footage of the moments leading up to a man's death on Long Island last year has been released by the NY attorney general.
Camera footage of a man getting fatally struck by an SUV driven by an MTA police officer has been released by the NY attorney general.
A Long Island man has died from injuries he sustained during a car crash in New Jersey at the end of May, state police told Patch.
A 20-year-old man was shot at a Long Island block party on Saturday night, Suffolk County police say.
A man stole a woman's purse in broad daylight on Long Island Friday morning, Suffolk County police told Patch.
Police have identified the man killed in a car crash on Long Island over the weekend, Suffolk County police say.
A hit-and-run crash killed a man on Long Island Friday night, according to Suffolk County police.
A Pennsylvania man was found guilty of murder after fatally shooting another man at a backyard party on Long Island, the DA says.
The man stabbed another man twice in the chest following a hand-shake after the two had fought, the DA says.
Firefighters battled a blaze that broke out in a Long Island home on Monday evening, according to Suffolk County police.
A robbery at a Dairy Barn on Long Island happened on Friday night, Suffolk County police told Patch.
A Long Island teen has been missing since May, the Suffolk County Police Department announced Monday.
A man was hospitalized after getting shot the chest while sitting in a vehicle on Long Island Tuesday night, according to Suffolk police.
A person was struck and killed by a Long Island Rail Road train early Thursday morning, according to the MTA and another report.
A Long Island man accused of slashing a Suffolk police offer after attempting to break into vehicles was indicted on Tuesday, the DA says.
The man was accused of filming himself sexually abusing a child and then sharing the videos and images, DA Raymond Tierney said.
The crash took place early Saturday morning, police say.
The 19-year-old was hospitalized after the shooting on Sunday.