German Interior Minister Nancy Faeser says she believes the terrorist militia Islamic State is responsible for the horrific attack on a Moscow concert hall that has claimed the lives of at least 133 people. “According to everything that is known so far, it can be assumed that the terrorist group Islamic State Khorasan Province (ISKP) is responsible for the murderous terrorist attack near Moscow,” she told the online edition of Germany’s Süddeutsche Zeitung newspaper on Saturday. ISKP is a regional Islamic State branch based in Afghanistan and Pakistan. Faeser also said that this group currentl…