April 19 (UPI) -- Israel launched an attack against Iran early Friday with state-run media reporting explosions near a military base in the central Iranian city of Isfahan. At least three blasts were heard near the military base, Iran's Fars News Agency reported , stating air defense systems were activated in response to "a small suspicious object" flying over the northeastern city. Advertisement Second Brig. Gen. Siavash Mihandoost told the official Islamic Republic News Agency that the city's