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Islamic State Returns to Guerrilla Warfare in Iraq and Syria

Raja Abdulrahim and Isabel Coles report for The Wall Street Journal:

Despite Syrian and Iraqi claims of victory over Islamic State, thousands of militants still holed up in both countries have mounted a number of recent guerrilla-style attacks on civilians and military forces, according to the U.S.-led coalition fighting the extremist group and others.

The fighters, hiding in isolated desert or mountain regions or among civilian populations in the neighboring countries, are stepping up hit-and-run style attacks now that they have lost much of the territory they seized several years ago, according to coalition officials, local activists and other experts.

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