BOSNIAN SERBS STEP UP ATTACKS ON CROAT POSITIONS IN USORA ENCLAVE

USORA, March 13 (Hina) - Bosnian Serb forces have stepped up attacks on the Croat enclave of Usora, about 120 km north of Sarajevo. Local Croat Defence Council (HVO) officials said in a statement today that in the past 24 hours Serb forces had frequently opened antiaircraft and small arms fire on HVO positions. They added that two 82mm mortar rounds had been fired from the direction of Doboj. No casualties were reported among HVO soldiers. HVO recconnaissance teams said Serbs were blowing up the remaining Croat houses in the hamlet of Zubci, the statement said. (hina) jn vm 131510 MET mar 95