More than 400,000 refugees from Ukraine have entered Germany since the Russian invasion began, the German Interior Ministry said in a tweet on Tuesday. To date, the German authorities have recorded the arrival of 400,632 refugees since Russian tanks rolled over the border in the early hours of February 24. Most are Ukrainian citizens, with the majority women, children and the elderly. Among them are some 180,000 children, including more than 3,000 orphans, according to German Family Minister Lisa Paus. The exact number of refugees to have reached Germany is likely to be higher, but is not know…