Police said they detained a passenger who took a bus driver hostage on a southern German motorway on Tuesday, Trend reports citing Reuters.
"A weapon has not been found so far. The bus is still being searched," police added in a tweet. They said passengers had earlier been able to leave the bus.
Police closed a section of the A9 motorway south of Nuremberg to deal with the incident.
"The motorway closure will be lifted shortly," they tweeted.