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The bow of the Lamma IV boat (L) is seen partially submerged during rescue operations on October 2, 2012 the morning after it collided with a Hong Kong ferry killing over 30 people. The boat, filled with more than 120 people headed to watch a national day fireworks display in Victoria harbour, collided with a passenger ferry and sank off Hong Kong, leaving 36 people dead and sparking a frantic overnight search and rescue effort, officials said on October 2
The bow of the Lamma IV boat (L) is seen partially submerged during rescue operations on October 2, 2012 the morning after it collided with a Hong Kong ferry killing over 30 people. The boat, filled with more than 120 people headed to watch a national day fireworks display in Victoria harbour, collided with a passenger ferry and sank off Hong Kong, leaving 36 people dead and sparking a frantic overnight search and rescue effort, officials said on October 2

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Ferry celebration turns tragic

Investigators plead to uncover the cause of a Hong Kong ferry crash that killed dozens. CNN's Ramy Inocencio reports.

Ferry celebration turns tragic

Investigators plead to uncover the cause of a Hong Kong ferry crash that killed dozens. CNN's Ramy Inocencio reports.