Würzburg (dpa / lby) – After a dispute, two 15-year-olds are said to have threatened a Würzburg bus driver with a knife and an airsoft gun. According to witnesses, the two suspects argued with the driver on the bus on Thursday morning, a police spokesman said. The threat came at a bus stop. The 15-year-old then fled. Shortly thereafter, they were provisionally arrested by the police. Further details were not initially known.