A young German man has been arrested after one person was killed and three others injured in a knife attack at a railway station near Munich, authorities said.

Investigators are still trying to verify the true identity of the man who tried to attack a Paris police station with a butcher’s knife and a fake explosives vest.

A man carrying a butcher’s knife and wearing a fake explosive vest tried to attack a Paris police station, a year almost to the minute after two Islamic extremists burst in the offices of the Charlie Hebdo newspaper and unleashed a bloody 12 months in the French capital.

Officers have shot and killed a knife-wielding man wearing a fake explosive vest outside a police station in northern Paris, French officials said.

The family of a man accused of a violent, sustained and unprovoked knife attack at Leytonstone Tube station contacted police three weeks before the incident asking for help, it has emerged.

The 25-year-old son of a woman found dead in the family home in Cork City was being questioned by gardaí last night.