What is known is that members of the Right Sector volunteer battalion clashed with the police and the security detail of a local politician at a sports complex in the city of Mukachevo.

尚不清楚这次枪战发生的原因，只知道正义部志愿营在穆卡切沃市一个体育馆内与警察和当地一名政客的保安人员发生冲突。