Authorities promised updates as the investigation progresses and more information becomes available.

Video footage and social media posts showed flames and thick smoke as authorities warned the situation was active and subject to change.

Officials said the investigation will continue to yield details, with ongoing updates to be provided as they emerge.

This is a developing story, and information may change as more details come to light.

Weather at the time was mostly cloudy with light winds and good visibility, according to AccuWeather.

Initial investigative steps include reviewing pilot communications and cockpit view to determine if either pilot saw the other.

Investigators have not yet released identities or precise locations of those involved; emergency crews remain on scene while more information is gathered.

Emergency responders worked to aid the injured and manage the incident, with further updates anticipated as the investigation proceeds.

The cause of the crash is under investigation, with authorities continuing to respond and assess the scene.

responders say a second helicopter crashed in a nearby wooded area; crews are extricating patients and conducting search for additional occupants as the scene remains active.

Two helicopters collided mid-air near Hammonton Municipal Airport in New Jersey around mid-day on December 28, resulting in at least one death and multiple injuries, with one aircraft fully engulfed in flames.

Hammonton Fire Department confirmed an aviation incident and urged the public to avoid Basin Road and White Horse Pike to allow responders to work safely.