Iran said on Tuesday it had arrested people accused of a role in
shooting down a Ukrainian airliner and had also detained 30 people involved in
protests that have swept the nation for four days since the military belatedly admitted its error.
Wednesday's shooting down of
Ukraine International Airlines flight 752, which killed all 176 people aboard, has created a new crisis for the Islamic Republic's clerical rulers.
President Hassan Rouhani promised a thorough investigation into the "unforgivable error" in an address on Tuesday.