Stability Pact into a Regional Security Council(RCC) in 2007 which gradually“became an ‘umbrella’ of regional initiatives in the Balkans covering various fields such as economic and social growth, infrastructure and energy, justice and internal affairs, cooperation for greater security and improving the quality of human resources.” P12F 13 P A new approach to internal security governance and capacity-building hosted by RCC was introduced in 2017, - the IISG(Integrative Internal Security Governance), integrating three pillars: the WBCTi (Western Balkans Counter-Terrorism Initiative), actions related to counter-terrorism and preventing and countering violent extremism; the WBCSCi(Western Balkans Counter Serious Crime Initiative): actions related to fighting serious organised crime; the WBBSi (Western Balkans Border Security Initiative), actions related to border security. This security cooperation patronized by the EU created a short living perception about the future of cooperative security in the Western Balkans making analysts and researchers to claim that“the region has transformed from a consumer(of European security) into a security provider” P13F 14 P and that““it is hard now to imagine the renewal of inter-state armed conflict” because“diplomats, policemen, soldiers, and others brought about the transformation from conflict to peace through their everyday practices.” P14F 15 P 3.2 BACK TO THE BASICS The unprovoked aggression of Russia over Ukraine has shattered the European security architecture provoking‘non-imaginable’ tensions in the Western Balkans. Bosnia and Herzegovina was at the brink of a renewed war and the tensions still remain high, while Serbia increased its pressure over Kosovo provoking rebellious behavior among local Serbs in Kosovo and positioning its army around the Kosovo border. The arms purchase by Serbia – often accompanied by nationalist rhetoric – is perceived as endangering“the fragile trust in a region where conflicts remain unresolved”. P15F 16 P Serbia is seen by many 13 Emini. D.& Marku. D.(2019),“Regional Security Cooperation in the Western Balkans”, 5. 14 Klemenc. J. Hrabálek. M.& Đorđević. V.(2021) Regional security cooperation revisited: the We stern Balkans as the future security provider, European Security, 30:2, 285-304, DOI: 10.1080/09662839.2021.1872545 15 Stojanović Gajić, S.,& Ejdus, F.(Eds.).(2018). Security Community Practices in the Western Balkans(1st ed.). Routledge. https://doi.org/10.4324/9781315608082 16 Marković, Andrej; Perović, Jeronim,(2021)“Undermining Trust: Rearmament in the Western Balkans”, CSS Analyses in Security Policy 282. https://www.researchcollection.ethz.ch/bitstream/handle/20.500.11850/477494/CSSAnalyse282EN.pdf?sequenc e=2&isAllowed=y, accessed 2022 10