The head of Germany’s domestic intelligence agency (BfV) has said that ISIS militants may have slipped into Europe disguised as refugees. Hans-Georg Maasse says that the Paris terror attacks last November proves that ISIS are capable of planting terrorist in Europe, and has warned that there are many more that are yet to be discovered. Reuters.com reports: “Then we have repeatedly seen that terrorists … have slipped in camouflaged or disguised as refugees. This is a fact that the security agencies are facing,” Maassen told ZDF television. “We are trying to recognize and identify whether there are still more IS fighters or terrorists from IS that have slipped in,” he added. The Berliner Zeitung newspaper cited Maassen on Friday as saying that the BfV had received more than 100 tip-offs that there were Islamic State fighters among the refugees currently staying in Germany. German fears about an attack have risen since the Paris killings. On Thursday, German forces arrested two men suspected of links to Islamic State militants preparing an attack in the German capital. Authorities also canceled a friendly international soccer match in Hanover last year and closed stations in Munich at New Year due to security concerns. Maassen, [...]