The train station area in the town has been closed for about five hours as a result of "a bomb threat", local police said.
"We are currently on the mission to close the area due to a bomb threat. We have arrested a person and are clarifying the situation," police said on Twitter.
The latest information from the police indicated that the arrested man was a 21-year-old Afghan man who threatened to detonate "a bomb" on Friday afternoon.
According to a police statement, two unknown components linked by cable have been neutralized and have been taken for further analysis, which police said would take more time. So far, it is unknown whether the objects found presented a real danger or not.