Following the rise of nationalism and political tensions after Slobodan Milošević came to power, as well as the outbreaks of the Yugoslav Wars, numerous anti-war movements developed in Serbia. The anti-war protests in Belgrade were held mostly because of opposition the Battle of Vukovar and Siege of Dubrovnik, while protesters demanded the referendum on a declaration of war and disruption of military conscription. It is estimated that between 50,000 and 200,000 people deserted from the Milošević-controlled Yugoslav People's Army during wars, while between 100,000 and 150,000 people emigrated from Serbia refusing to participate in the war. According to professor Renaud De la Brosse, senior lecturer at the University of Reims and a witness called by the ICTY, it is surprising how great the resistance to Milošević's propaganda was among Serbs, given that and the lack of access to alternative news. By late December 1991, just over a month after victory had been proclaimed in Vukovar, opinion polls found that 64% of Serbian people wanted to end the war immediately and only 27% were willing for it to continue.