Three people were injured in a knife attack at a train station in Winterthur, Switzerland, with the suspected attacker now in police custody.

Swiss police arrested a 31-year-old Swiss man in connection with the incident. The suspect allegedly used a knife to injure the three victims at the train station.

Authorities cordoned off areas around the station following the attack as police responded to the scene. The extent of the victims' injuries has not been disclosed.

The motive behind the attack remains unclear, and police have not released additional details about the circumstances surrounding the incident. Winterthur is located in northern Switzerland, northeast of Zurich.

This is a developing story and police continue their investigation into the attack.