Fortified walls of the Cathedral in Zagreb. File photoBELGRADE, Mar 11 Croatian President Zoran Milanovic believes that the UAV that crashed in Zagreb on Friday night came from Ukraine. The aircraft crashed on Friday night in a green zone in one of the districts of the capital of Croatia , there was an explosion, a crater remained in place, the area was cordoned off. The police found two parachutes nearby. Presumably, this could be a Soviet-made Tu-141 «Strizh» UAV that arrived from Ukraine. UAV modelThe drone, according to NATO and Croatian authorities, was not a threat to the country, entered the airspace at 22.57 (00.57 Moscow time), arrived from Hungary, stayed in the airspace for 7 minutes and moved at a speed of 700 kilometers per hour, as the minister said defense of Mario Banojic. The Ministry of Defense has not yet established the affiliation and place of launch of the device. «We did not receive a warning, the object flew over Hungary for over 40 minutes. Spent 7 minutes in Croatian airspace and fell in the Jarun region, fortunately without casualties. This is a serious incident,» — the head of state said at a briefing. He stressed that the country's authorities believe «that this was not directed against Croatia.» «This is an aircraft the size of an airplane that was not shot down on its way from, obviously, Ukraine to Zagreb … We look what is happening in Ukraine, we condemn what is happening, but the fact that a six-ton aircraft fell within the city with a million inhabitants, until, as far as I saw, was not reported by anyone on CNN, BBC and Al Jazeera, as if the rain had fallen, and not, to fortunately, an unarmed bomb,» Milanovic stressed.