A man has attacked train passengers in Austria with a knife, police have said.

Two people have been seriously wounded in the attack which took place near the village of Sulz, in Volrarlberg province, on Tuesday morning.

Police said the man, a 60-year old German national, was mentally confused.

A 19-year-old man suffered wounds to his stomach and back, and the other victim, a 17-year-old male, had a throat injury. Both were taken to hospital.