TAIPEI, July 21 -- A Chinese mainland official on Thursday expressed "strong dissatisfaction" with the serious tour bus accident on Tuesday in Taiwan.

Liu Kezhi, secretary-general of the Association for Tourism Exchange Across the Taiwan Straits, made the statement to journalists after a remembrance service for those who died in the accident.

Twenty-six people, 23 tourists and a tour guide from the mainland and two local people -- a driver and a tour guide, were killed when a tour bus crashed into a highway barrier and caught fire near Taoyuan airport on Tuesday

Liu was among a group of four mainland officials to arrive in Taiwan on Wednesday afternoon to assist the families of the victims.