China marks 80th anniversary of Nanjing massacre by Japan
China on Wednesday marked the 80th anniversary of the massacre in which Japanese troops are believed to have killed around 3 lakh civilians and soldiers after invading China's then-capital Nanjing on December 13, 1937. China's President Xi Jinping oversaw a memorial service with black-clad mourners wearing a white flower on their jackets at a monument featuring statues of the victims.