A man has attacked several people at a private European Championship party in a small town in northern Germany and seriously injured three of them. The incident happened in Wolmirstedt, in the state of Saxony-Anhalt. According to the public prosecutor’s office in nearby Magdeburg, he is said to have first stabbed another man at another location. The attacker was shot dead by officers on Friday evening. The Volksstimme and Bild newspapers reported that the man had used a knife to attack his victims. The public prosecutor’s office told dpa that the first person to be attacked was a young man, wh…