Complex sentence: On October 6,1996, more than 2,000 people attended the memorial service for "Chan Yuk-cheung, Hero for defending the Diaoyu Islands" held at Hong Kong, including officials from both mainland China and Hong Kong.
Split into simpler sentences: On October 6,1996, more than 2,000 people attended the memorial service for Chan Yuk-cheung, hero for defending the Diaoyu Islands. Held in Hong Kong, it included officials from both mainland China and Hong Kong.