A wave of unidentified drone incursions over Duhok, Salah al-Din & Kirkuk has sparked fear in Iraq, raising concerns that a new, shadowy conflict is beginning despite the regional ceasefire.

Iran-backed militias in Iraq are suspected of carrying out recent drone strikes on sensitive American targets in Iraq, evading U.S. defenses. By Jane Arraf and Eric Schmitt BAGHDAD — The United ...