Reporting events, incident framework

Credit CNN
https://edition.cnn.com/us/live-news/active-shooter-jersey-city-new-jersey/index.html

A deadly shooting occurred today during an hours-long standoff between two suspects and law enforcement in Jersey City, New Jersey.

Here's what we know:

• What happened: The shooting started about 12:30 p.m. ET in one part of the city, and ended following a tense standoff with police in another part of town.
• The victims: A police detective and three people believed to be civilians, who were found inside a building, were killed. Two officers and one civilian were in stable condition after being struck by gunfire, Hudson County Prosecutor Esther Suarez said via Twitter.
• Suspects dead: The suspects were killed during the standoff, Jersey City Police Chief Michael Kelly said.
• The fallen officer: He was identified as Det. Joseph Seals, a 15-year veteran of the Jersey City Police Department. Seals was part of a statewide anti-violence unit. He was credited with removing "dozens and dozens" of handguns from the streets, the police chief said.
• The investigation: The shooting investigation will "take weeks, maybe months," Kelly said. "The crime scene is very extensive and is at three locations, at least."