A coach carrying 25 visitors from the Chinese mainland slammed into a pier in Kaohsiung, Taiwan, on Saturday morning. /Huanqiu Photo

At least 21 people are reportedly injured in the Saturday morning accident. /Huanqiu Photo

A total of 25 tourists from east China’s Zhejiang Province were said to be on board, including 17 adults and 8 children. /Huanqiu Photo

The driver claimed he was not quite familiar with the route and distracted by the tour guide, but denied drunk driving, according to the local fire station. /Huanqiu Photo