Police probe background of Germany van attacker

Münster (Germany) (AFP) - German police were scrambling in the early hours of Sunday to understand the motives of a man who drove a van into a crowd at an open-air restaurant, killing two people before shooting himself.Germany has been on especially high alert for such terrorist attacks after several claimed by the Islamic State group.The worst of those saw a Tunisian asylum seeker ram a truck into crowds at a Berlin Christmas market in December 2016, killing 12.