The Islamic State’s web of affiliates is growing faster than Al Qaeda’s ever did, a former top CIA official told Congress on Tuesday — on the heels of yet another attack blamed on ISIS.

Michael Morell, President Obama’s former deputy and acting CIA director, issued the warning in testimony to the House Armed Services Committee.

He said the number of militant groups now swearing allegiance to ISIS has grown to cover nearly 20 countries, from practically “nothing” a year ago.

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