Operation Flash was a strategic victory for Croatia resulting in the capture of a salient held by RSK forces centred in and around the town of Okučani . The town , which sat astride the Zagreb &ndash; Belgrade motorway and railroad , had presented Croatia with significant transport problems between the nation 's capital Zagreb and the eastern region of Slavonia as well as between non-contiguous territories held by the RSK . The area was a part of United Nations Confidence Restoration Operation ( UNCRO ) Sector West under the United Nations Security Council peacekeeping mandate in Croatia . The attacking force consisted of 7,200 HV troops , supported by the Croatian special police , arrayed against approximately 3,500 RSK soldiers . In response to the operation , the RSK military bombarded Zagreb and other civilian centres , causing seven fatalities and injuries to 205
bombarded Zagreb
Zagreb rocket attacks
Operation Flash