SAN DIEGO—The family of a San Diego college student killed while aboard a plane that was shot down over Iran two years ago filed a lawsuit on Jan. 5 against the Ukrainian airline, alleging it should have been aware it was unsafe to fly amid tensions in the region. Sara Saadat, 23, a first-year doctoral student in clinical psychology at Alliant International University in Scripps Ranch, was among all 176 people killed aboard Ukraine International Airlines Flight 752 on Jan. 8, 2020. The Iranian Islamic Revolutionary Guard Corps later admitted to shooting the plane down shortly after takeoff after mistakenly identifying it as a “hostile target.” The suit filed in San Diego federal court by Saadat’s father and brother alleges that in the days leading up to the missile attack, “Iran and other nations were engaged in openly hostile acts of aggression toward each other and others,” including a Jan. 3 drone strike that killed Iranian Major Gen. Qasem Soleimani and …