Hong Kong's Chief Executive Leung Chun-ying (3rd L), along with other officials, hold a press conference on the ship collision in Hong Kong Special Administrative Region (HKSAR), south China, October 2, 2012. The chief executive declared October 4 a mourning day in the HKSAR, and the flag of the HKSAR will fly at half-mast for three days starting from October 4. Photo: Xinhua