DUBAI, United Arab Emirates (AP) — The United States launched new airstrikes against Iran early Thursday, and Tehran responded by targeting US-allied Mideast countries in an exchange of fire that threatened an interim deal intended to help end the war in the Middle East. Back-and-forth attacks, including a day earlier, have repeatedly threatened the ceasefire , but Thursday’s appeared bigger all around, with sirens sounding at least three times in Bahrain, home to the US Navy’s 5th Fleet headqua