The funeral will be held Thursday for the police officer who was one of four people killed in Monday's mass shooting at a Midtown Manhattan office building.

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the heart of Manhattan during rush hour.

The Manhattan office building shooting victims include NYPD Officer Didarul Islam, Blackstone executive Wesley LePatner and security guard Aland Etienne.

The New York City office building that was the site of a mass shooting Monday had significant security measures in place.

Two men in town for a bachelor party and a local man driving through a parking lot were killed in Monday morning’s shooting outside a resort and casino in Reno, Nevada, police said.

Authorities say two of the three people killed in a shooting outside the largest casino in Reno, Nevada, were 23-year-old men in town celebrating a bachelor party.

A Monday morning shooting at the Grand Sierra Resort in Reno, Nevada, left three people dead and three more hospitalized, the Reno Police Department confirmed to SFGATE. The shooting began at 7:25 a.m.

Philadelphia police are searching for multiple suspects in the shooting outside Christy Rec Center in West Philly that injured five people.

Video shared by police shows multiple suspects scrambling after a mass shooting near a Philadelphia rec center on Wednesday. Four people, including a 10-year-old and an 11-year-old, were injured in the shooting.

Police are searching for suspects after two children and two teenagers were injured after a shooting at a West Philadelphia pool and rec center. Wakisha Bailey reports.