Operation Tiger was a military action carried out simultaneously with Operation Storm in the summer of 1995, by the Army of the Republic of Bosnia and Herzegovina (ABiH) against the Bosnian autonomous zone of the Republic of Western Bosnia, its leader Fikret Abdić and his Serbian backers the Army of the Republic of Serbian Krajina (VSK), and the Army of the Republika Srpska (VRS). The battle was a huge success for the beleaguered ABiH, which was able to rout Abdić's forces and regain the territory lost to the Republic of Western Bosnia.
In addition to being completely surrounded by Serbian forces with the Croatian Republic of Serbian Krajina (VSK) to the west and the Bosnian Republika Srpska (VRS) to the east, the Western enclave forces had to deal with the Republic of Western Bosnia and its leader Fikret Abdić.
The plan was hatched by Dudaković and the commander of the 5th Corps 502nd Brigade, Hamdo Abdić (no relation to Fikret Abdić). In total secrecy, Hamdo approached Fikret Abdić as a dissatisfied military commander willing to sell his services and treachery to Fikret Abdić for the right price. Fikret Abdić was suspicious but decided to take the risk and gave Hamdo a large sum of money, promising that if fighting broke out he would support Hamdo's coup attempt. Hamdo promptly informed Dudaković, who ordered that all aid workers be confined to quarters and that large fires be started using piles of tires to create the illusion of burning buildings. Then Dudaković told his dumbfounded troops to fire in the air as if they were fighting an invisible enemy.
The Republic of Western Bosnia was soon dissolved, its forces defeated and its territory was incorporated into the Federation of Bosnia and Herzegovina (present day Una-Sana Canton). Fikret Abdić was arrested and after the war he was convicted for acts of war crimes against civilian Bosniaks that stayed loyal to the Republic of Bosnia and Herzegovina. The government of Bosnia-Herzegovina charged him with the deaths of 121 civilians and three POWs, and the wounding of 400 civilians in the Bihać region. Croatia, where he had taken refuge, refused to extradite him, but he was put on trial there. In 2002 he was sentenced to 20 years in prison for war crimes committed in the area of the "Bihać pocket”. In 2005 the Croatian Supreme Court reduced the sentence to 15 years.
The Serb Krajina Republic or (RSK) in Croatia was destroyed when the Croatian Ground Army (HV), with assistance from the 5th Bosnian Corps, routed the RSK army in Operation Storm, of which Operation Tiger was a part. This enabled major counterattacks by both Croatian and Bosnian forces in Western Bosnia, resulting in Croatian Operation Mistral and Bosnian Operation Sana. Further offensives were ended by the signing of the Dayton Agreement, largely thanks to pressure from those operations and the NATO bombardment of Bosnian Serbs.
The Serbian population of those areas of Croatia and Bosnia and Herzegovina fled east, to Banja Luka and as far as Vojvodina and Kosovo. The United Nations estimated there were 150,000-200,000 refugees from Croatia alone. The number of refugees from western Bosnia is unknown.