In our news wrap Thursday, Harmeet Dhillon is stepping down as head of the Justice Department's civil rights division, Melania Trump hosted Russian and Ukrainian officials to mark a localized ceasefire and European authorities are investigating a series of bomb threats that targeted more than a dozen flights. Amna Nawaz: We start the day's other headlines with a high-level departure at the Justice Department. Harmeet Dhillon is stepping down as head of the agency's Civil Rights Division.