ISIS threat to Stockholm revealed: Sweden 'warned to expect terror attack' SWEDEN was warned about an ISIS threat to Stockholm by the Iraqi government, it has emerged.

SWEDEN was warned about an ISIS threat to Stockholm by the Iraqi government, it has emerged. ISIS threat to Stockholm revealed: Sweden 'warned to expect terror attack' Swedish-born counterterrorism expert Magnus Ranstorp told NBC that Europe’s migrant crisis had helped jihadis. "There were so many refugees who came in at once, many on false identities, so many were not checked or registered properly," he said.