(Photo credit: Office of the President of the Republic of Croatia/ Marko Beljan) ZAGREB, May 1, 2021 (Hina) – Croatia marked the 26th anniversary of Operation Flash in the town of Okučani today, honouring the Croatian police and army that liberated about 500 square kilometres of territory occupied by Serb insurgents in western Slavonia. The President of Croatia and Commander-in-Chief of the Armed Forces, Zoran Milanović, participated in the commemoration, laying a wreath and lighting a candle at the memorial “Crystal Cube of Serenity” on Dr. Franjo Tuđman Square. (Photo credit: Office of the President of the Republic of Croatia/ Marko Beljan)