Iran claims that three of its pilots who disappeared after their aircraft were shot down during the war nearly six months ago are alive and being held by Qatar, prompting Tehran to call for international intervention and their immediate release. According to reports published Saturday, a senior Iranian armed forces official said the three pilots were captured by Qatari forces after the Su-24 aircraft they were flying were shot down during fighting in March. The claim represents a dramatic change in Iran’s account of the pilots’ fate. For months, Tehran said it did not know what had happened to the...