- Summary- Companies- Elite force commander issues one of toughest warnings yet- Rights groups report fresh demonstrations, bloodshed- Revolutionary Guards not deployed since protests beganDUBAI, Oct 29 (Reuters) - The head of Iran's powerful Revolutionary Guards warned protesters that Saturday would be their last day of taking to the streets, in the clearest sign that security forces may intensify their already fierce crackdown on widespread unrest.Iran has been gripped by protests since the death of 22-year-old Kurdish woman Mahsa Amini in the custody of the morality police last month, posing one of the boldest challenges to the clerical leadership since the 1979 revolution.Late on Saturday, more protests broke out in the Kurdish town of Marivan, according to social media videos which showed demonstrators starting fires on streets as gunshots could be heard.The Twitter account @1500tasvir, which has nearly 300,000 followers, posted videos it said showed protesters in the northwestern city of Astara, lighting a bonfire with debris and motorbikes seized from police.Videos posted earlier on social media by activist groups purported to show protests at a number of universities across the country in cities including Kerman, Mashhad, Qazvin, Ahvaz, Arak, Kermanshah, Yazd, Bushehr and a dozen campuses in the capital, Tehran."