The man who opened fire at a Midtown Manhattan office building last month, killing four people and injuring another before fatally turning the gun on himself, had a history of run-ins with police in his hometown of Las Vegas,

Police had twice visited the home of the gunman who killed four people in a Midtown Manhattan skyscraper in recent years over fears he was armed and suicidal, according to criminal records including 911 calls and body-camera footage.

The death of the 15-year-old mare named Lady was being investigated by the city’s health department, officials said.

A carriage horse collapsed and died in Hell's Kitchen on Tuesday. Video provided to FOX 5 NY by nonprofit animal rights organization NYCLASS shows the horse lying down at the intersection.

On Tuesday, a carriage horse in Manhattan collapsed and died on the way to its stable, according to a local union. Authorities learned of the incident around 2:30 p.m. after receiving a 911 call requesting assistance at the corner of West 51st Street and 11th Avenue in midtown.

Police said they were informed of the death at about midnight, with East Hampton Town Police responding to a 911 call. Nolan-O'Slatarra's body was found unconscious on a boat docked at the Montauk Yacht Club off Star Island Road,