` But if some try to misuse the vast participation and presence of the people ; the police will deal with them firmly and resolutely . '' Protesters to be arrested and held until this week if they disrupt state-sanctioned marches . Ashura is this week celebrating the 31st anniversary of the Islamic Revolution . Marches are to commemorate the overthrow of the Shah of Iran . Reformist groups are urging opponents of the regime to stage non-violent protests .
Protesters to be arrested and held until this week if they disrupt state-sanctioned marches . Ashura is this week celebrating the 31st anniversary of the Islamic Revolution . Marches are to commemorate the overthrow of the Shah of Iran . Reformist groups are urging opponents of the regime to stage non-violent protests .