Basketball legend Kobe Bryant and his 13-year-old daughter were among nine people killed Sunday morning when a helicopter crashed into a hillside in Calabasas, California.
The duo was expected at the Mamba Sports Academy in Thousand Oaks for a basketball game scheduled for Sunday.
The LA County Fire Department did not immediately have any information about whether the 1991 made chopper radioed a distress signal.
Meterologists say conditions were foggy and cloudy with a drizzle, at the time of the crash.
Multiple federal agencies will join California officials in trying to determine what caused the accident.
The 41-year-old five-time NBA champ, and father of four won two Olympic gold medals and played his entire professional career with the Los Angeles Lakers.
Even after retiring in 2016, the black mamba enjoyed success in other business ventures, winning an Oscar as a filmmaker, and continued to be an approachable mentor to young players.
Upong hearing the tragic news, NBA players and coaches broke down in tears, with teams letting the 24 second shot clock expire during games, to pay tribute to the fallen icon.