As a sign of the escalating conflict in the Middle East spreading to Iraq, at least four explosions were heard on Wednesday in Erbil, the capital of the Kurdistan region. The incident has further heightened concerns about regional security.According to AFP journalists, the sounds of explosions were heard from various parts of the city, but the immediate target of the attack remains unclear. It was reported that projectiles could be seen being intercepted over the city when viewed from the suburbs of Erbil. The major US consulate complex is located in the same area, and soldiers from the US-led international...