Nouakchott , July 27, 2011 (MAP) Several Sahrawi associations staged, on Tuesday in Nouakchott, a sit-in in solidarity with Sahrawi activist Mustapha Salma Ould Sidi Mouloud who is also holding an open sit-in before the UNHCR local bureau.The associations flatly refused the conditions endured by Mustapha who has only demanded his legitimate right to reunite with his family in the camps of Tindouf.