During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

Rambling note found on shooter's body suggests he had grievance against NFL over claim he suffered from chronic traumatic ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

NYC mayoral candidates Zohran Mamdani and Andrew Cuomo clash over law enforcement support after a Manhattan office building ...

Wearing body armor and wielding an assault-style rifle, the alleged gunman, identified by police as 27-year-old Shane Tamura, ...

Didarul Islam, a 36-year-old NYPD officer, was off duty and working a security job when he was fatally shot by a gunman who ...

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

Police believe a 27-year-old man travelled across the U.S. from Las Vegas before opening fire in an office tower in Manhattan ...

Sen. John Kennedy (R-La.) joined Fox News on Monday to dismiss the idea of legislation aimed at preventing gun violence, just ...

Gunman worked in the surveillance department of a Las Vegas casino and was recently arrested for erratic behaviour ...

Investment company Blackstone said its Manhattan offices will be closed Tuesday after Monday's mass shooting that killed ...