Basketball legend Kobe Bryant and his daughter, Gianna, among 9 killed in a helicopter crash in California

(CNN) – Basketball legend Kobe Bryant and one of his daughters were among nine people killed Sunday morning when a helicopter crashed into a hillside in California, USA, sources and officials said.

Bryant, 41, and his 13-year-old daughter Gianna Maria Onore Bryant had been expected at the Mamba Sports Academy in Thousand Oaks for a basketball game scheduled for Sunday. Gianna was expected to play in the game and Bryant was expected to coach, according to Lady Mavericks team director Evelyn Morales.

The helicopter crash, about 30 miles northwest of downtown Los Angeles, caused a brush fire, Los Angeles County Fire Department Chief Daryl Osby said. The crash killed all nine people aboard, Los Angeles County Sheriff’s Department said.

Earlier, the sheriff’s department said five people were killed in the crash. Officials have not identified the victims.

Tony Altobelli told CNN his brother, Orange Coast College baseball coach John Altobelli, 56; John’s daughter Alyssa and wife Keri were killed in the crash. Altobelli was a former assistant baseball coach at the University of Houston, the school said. Alyssa and Gianna were teammates, Tony Altobelli said.