sa others injured in the central province of abada. houthis have been fighting there. it's been four years since mass protests leading to the fall. the southern city was at the center of those protests and people are back on the streets of that city protesting against the houthis taking power in sanaa. we have more. >> despite its run-down look and the trash on the street. the junction - a great deal. it's they are that thousands of yemenis gathered in 2011, calling for the downfall of the then president. amen was a leader who helped organise the demonstrations. four years on he says yemen was nowhere near where he should be. we never managed that yemen would be worse off after the revolution. as young people we had hopes and draps of building a new yemen. we took to the streets. unfortunately, these things exist today. >> reporter: amen is not just disappointed. he's scared that the revolution is slipping away because of the coup by rebels. >> translation: the revolution is in danger. there's a counter resolution the aim is to go back 50 years. we worked hard the revo