A deadly chain of events unfolded in Los Angeles after an NBC LA news helicopter crashed near the scene of a fatal Metro bus and SUV collision in the San Fernando Valley. The NBC-TV helicopter reportedly went down near Nordhoff Street and De Soto Avenue while aerial crews were covering the earlier road crash. The aircraft crashed between buildings, landing on shipping containers and parked vehicles before a massive fire broke out at the scene. Three people were reportedly killed in the helicopter crash, while another person was injured and taken to hospital. The status of the helicopter crew was initially unclear as Los Angeles firefighters rushed to the area and worked to contain the blaze. The helicopter crash occurred as emergency responders were already dealing with the deadly Metro bus collision. Firefighters were reportedly rescuing people trapped inside the bus when the news aircraft came down nearby. WATCH

A devastating aviation tragedy has unfolded in California after a US Air Force B-52 Stratofortress crashed moments after takeoff, killing all eight people on board and triggering a major military investigation. According to initial reports, the iconic strategic bomber went down shortly after departing Edwards Air Force Base during what officials described as a routine test mission connected to radar modernisation efforts. The crash resulted in a massive fire, with emergency crews rushing to the scene as thick smoke and flames engulfed the wreckage. The US Air Force has confirmed that there were no survivors. Following the disaster, Edwards Air Force Base temporarily shut down airfield operations and diverted incoming flights while emergency response teams secured the crash site and began recovery operations. WATCH