A man attacked several people at a private European Championship party in a small town in northern Germany, seriously injuring three of them.
The incident took place in Wolmirstedt, Saxony-Anhalt.
According to the Public Prosecution Service in nearby Magdeburg, he first stabbed another man at a different location. The attacker was shot dead by officers on Friday evening.
The newspapers Volksstimme and Bild reported that the man had used a knife to attack his victims. The Public Prosecution Service told dpa that the first person attacked was a young man, who was stabbed on a residential street.
The attacker then passed by a private football party held in a family home and attacked a number of people there.
The group watched the opening match of the European Championship between Germany and Scotland.
Police officers quickly arrived on the scene and shot the attacker. According to the Public Prosecution Service, the man later died in hospital from his injuries.
Police have not yet commented on a possible motive.