The Hunt for ISIS Pivots to Remaining Pockets in Syria - The New York Times
AL UDEID AIR BASE, Qatar — Secretive drones and surveillance jets are boring down on an estimated 3,000 remaining Islamic State fighters, who are hiding in Syria along a short stretch of the Euphrates River and surrounding deserts, as the American military campaign against the extremist group enters its final phase.
But the focus on a 15-square-mile enclave near the Iraqi border is complicated by skies congested with Russian, Syrian and Iranian aircraft as rival forces converge on that last main pocket of Islamic State militants in Syria.
“It drives up the complexity of the problem,” Lt. Gen.