ZAGREB, Jan 28 (Hina) - Defence counsel for former Yugoslav People's Army Major Veselin Sljivancanin have filed a motion to review the verdict of the Hague war crimes tribunal sentencing him to 17 years in prison for the 1991 massacre at Ovcara outside the eastern Croatian town of Vukovar. The Serbian media report that the motion is based on new witness testimony challenging the ruling of the Appeals Chamber on which the verdict is based.