 After more than one hour under constant attack of the HOS and their cannons in 100mm,85mm and 90mm caliber from Zvoncac, Bacvice, Solta and Brac, Yugoslav Navy responded to neutralize fire targets and observing points in the Split harbour.VPBR-31 "Split" operating under the code name "Sava" along with other ships of the tactical group opened fire on the city of Split and the islands of Brač and Šolta.exactly at 06