ISIS brings guerrilla war to the heart of Europe

Terror group Islamic State or ISIS has claimed responsibility for the terror attack in Brussels, which killed at least 34 people and injured nearly 200 others. The statement by the group - based in Iraq and Syria, and also behind last year's Paris attack . The terror attacks came as the Belgian capital was on high alert following the arrest of Paris terror attack suspect Salah Abdeslam in the city on March 18.