(CNN) — During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed a police officer, then opened fire on other innocent strangers.

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

On a steamy Monday evening, no one inside the Manhattan office building noticed the dark BMW pull up outside. The driver ...

More than a decade before he turned a Midtown NYC office building into a killing ground, Shane Tamura stood out as a rising ...

BREIT CEO Wesley LePatner was among those killed in the shocking attack, plus more New York City real estate news.

The mayor on Friday announced that since he entered office, the city has created, preserved or planned 426,800 homes. That number includes 95,100 units created, 134,700 preserved and 197,000 planned ...

A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, ...

Family and friends gathered at Central Synagogue to mourn Wesley LePatner, one of four victims killed in Manhattan office ...

Social media users have baselessly theorized that Shane Devon Tamura wasn't targeting NFL headquarters but Wesley LePatner, a ...

Authorities confiscated several items from a Las Vegas apartment tied to a gunman who used an AR-15-style rifle to kill four ...

Blackstone told employees on Friday it will reopen its New York headquarters on August 4, a week after shuttering it in the ...

There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue and 24 spent shell casings on ...