Three people were injured on Sunday after being struck by a paraglider that was trying to land at the Ngong Ping campsite at Ma On Shan Country Park.
Police said they received a report shortly after 12.30pm from a 42-year-old woman, who said she had been knocked down by a paraglider piloted by a man.
Her son and another youngster, aged 14 and 15 respectively, were also hit.
Officers said the trio sustained head and back injuries and were airlifted by the Government Flying Service to hospital for treatment.