A popular tourist boat sank in the British city of Liverpool on Saturday, local media reported.<br/> <br />The amphibious Yellow Duckmarine vessel carrying more than 30 people, including children, went under at Liverpool's Albert Dock on Saturday afternoon.<br/> <br />Passengers were thrown into the water and either had to be rescued or swim to safety, according to local reports.<br/> <br />No one was seriously hurt, and an investigation has been launched into the incident.<br/> <br />It is the second sinking incident in three months for the yellow vehicles, local media said.
