sentences:  On 26 September, the date of the Mid-Autumn Festival, five members of the Yamashita family were attacked near Kowloon City in front of more than one thousand Chinese demonstrators by a Chinese man; the parents died on the scene due to knife wounds, while the grandmother and two of three sons later died in hospital.As a result of the murders, the colonial government called out the military that evening, and proclaimed a state of emergency the next day.Tokyo would later cite these riots, and specifically the murders of the Yamashita family, as one "casus belli" when they initiated the Shanghai War of 1932 (a.k.a.