(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 ...

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 ...

Officer Didarul Islam, killed in the Midtown shooting, was honored at a Bronx funeral and is expected to be laid to rest in Totowa, New Jersey.

A flatbed truck carried a digital billboard showing photos of Officer Didarul Islam and a commemorative message from his union.

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

By Carmen Zermeno and Tony Winders When Carmen's new role called for a trip to New York City to lead a customer training ...

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

Governor Hochul demands UASI funding from DHS after a Manhattan shooting, highlighting NYC's vulnerability and the potential ...

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...

The owner of a private security business on Park Avenue said he questions how a shooter got so far into a Midtown office ...

Congress needs to finally step up and do its job. Pass the GOSAFE Act. Regulate assault weapons. Stand up to the gun lobby.