Turkish fighter jets, which on Friday attacked Islamic State targets in Syria , have launched a wave of airstrikes in northern Iraq , targeting camps of the militant Kurdistan Workers’ Party for the first time in four years, the prime minister’s office said Saturday. The Iraq incursion, which began late Friday and continued into Saturday, effectively ended an unstable two-year cease-fire between the Turkish government and the Kurdish militants, known by the initials P.K.K. After 30 years of conflict that claimed at least 40,000 lives, the two sides reached a fragile peace in 2013, though there have been a few minor clashes since then. Fighter jets also struck Islamic State targets in Syria for a second night, Prime Minister Ahmet Davutoglu’s office said in the statement Saturday. The jets entered Syrian airspace to do so, the statement said, unlike during the previous strikes , which the government […]