A group of 70 Ukrainian soldiers has arrived in Germany to be trained in the use of the Patriot air defence system, which Berlin is to make available to Ukraine to help fend off Russian aerial attacks. The group touched down in Germany on Tuesday and training is to start on Thursday, dpa has learned from security sources in Berlin. The German government, after consultations with the US, agreed to transfer a Patriot air defence system to Ukraine last month to support the country as it defends itself from Russian attacks. Meanwhile, the Patriot units deployed to Poland, which borders Ukraine, re…