A news helicopter belonging to NBC News crashed on Monday morning while covering a separate traffic incident in the Chatsworth neighborhood of Los Angeles, triggering a major emergency response and leaving authorities searching for missing reporter Eliana Moreno.

The crash occurred in the Chatsworth area, a residential district in the western San Fernando Valley, during what local fire officials described as a heavy-traffic collision on a nearby highway. NewsChopper 4, the NBC LA helicopter unit that has been a familiar presence over Southern California skies for nearly two decades, was reportedly overhead at the time providing live coverage of the scene below.

According to the Los Angeles Fire Department, three individuals were killed and one person was injured in the crash. Emergency crews scrambled to the area, and multiple agencies including LAPD and the National Transportation Safety Board (NTSB) launched investigations into the cause of the accident.

Eliana Moreno, a reporter for NBC LA who had been working with the station for several years, has been listed as unaccounted for following the crash. Colleagues and fellow newsroom staff have taken to social media to express their worry and call for updates, while fans of the station have flooded online platforms hoping for information about her safety.

Moreno, whose family has asked for privacy as the investigation continues, had joined NBC LA prior to the incident and was known for her work covering local breaking news stories across the Greater Los Angeles area. Specific details about her tenure and previous assignments remain limited as the news organization processes the developing situation internally.

This is not the first time a news helicopter has been involved in a serious incident in the Los Angeles area. Aviation safety experts note that the busy airspace over Southern California — one of the most congested in the world — presents significant challenges for low-altitude helicopter operations, particularly when crew members are simultaneously monitoring multiple communications and camera feeds while navigating near obstacles and other aircraft.

The NTSB has not yet released a formal statement on the cause of the crash, and investigators are expected to examine black box data, radar records, and eyewitness accounts in the coming days. The Federal Aviation Administration also opened an inquiry into the circumstances surrounding the incident.