German Chancellor Olaf Scholz and other politicians will Saturday visit the scene of a bloody car-ramming that targeted visitors to a Christmas fair in an old market city.Police arrested a 50-year-old at the site of the assault in which two people were killed and 68 injured when an SUV plowed through the festive crowd in Magdeburg on Friday night.For all the latest headlines follow our Google News channel online or via the app.So far police were uncertain whether the attack may have been extremist-inspired or linked to psychological problems.“The motives remain mysterious,” wrote the weekly Der Spiegel.The attack came almost eight years to the day after Germany suffered its deadliest ever terrorist attack when a Tunisian man drove a truck through a Berlin Christmas market, killing 13.No extremist group has claimed the latest vehicle-ramming attack to target one of Germany’s most beloved religious and cultural festivals.The sorrow and anger sparked by the attack, where one of those