48 and provided it with necessary information. Based upon the found state of affairs, no form of ill-treatment of persons returned through the readmission procedure was observed. In the course of 2015, the NPM initiated monitoring of forced return of the citizens of the Republic of Serbia from the EU countries, where their application for asylum had not been accepted. Representative of the NPM monitored the way police officers treated persons who were returned by a special charter flight from Dusseldorf (Germany) to Serbia on November 25, 2015. Throughout the monitoring, no irregularities in actions taken by state authorities were observed, and the cooperation with the police was extremely good. Forced return was conducted in cooperation with the police forces of Germany, Netherlands, Belgium and Serbia, all under the organization of the European Border and Coast Guard Agency (FRONTEX). The total of 65 persons were returned to Serbia, specifically: 53 persons from SR of Germany, 9 from the Kingdom of Netherlands and 3 from Belgium.120 In the course of 2015, in line with the Agreement on Readmission, the Republic of Serbia received around 5,500 foreign citizens, and most from Hungary (around 5,240). Most of them were from Syria (3,955), Iraq (511) and Afghanistan (220). Return of the citizens of third countries in the readmission procedures to the neighbouring countries was realized only with Bulgaria, whereas the Agreement on Readmission with Macedonia was not even implemented in the course of 2015. In the course of the mentioned period, the total of 119 citizens of third countries were returned to Bulgaria, and most of them in the first half of the year, and they were mainly citizens of Syria (53), Afghanistan (33) and Iraq (31). In the course of November not a single citizen from the war stricken territories was returned under the implementation of the Agreement, whereas in December only 6 foreigners coming from the war stricken territories were returned. Despite the fact that there were no returns of the citizens of third countries in the readmission procedure, by the end of the year, the issue of “informal return” from the migrant route of so called “economic migrants” became topical. 120 Report on the NPM on the monitoring of the readmission procedure on an organized flight from Dusseldorf, no. 71-115/15, from 12/16/2015