Five people died and another eight were injured in a shoot-out near east Ukraine's Sloviansk overnight to April 20. A group of unknown gunmen attacked a checkpoint near the city. The attackers reportedly had four cars. Two members of militia, that were guarding the checkpoint, were shot and died instantly, one person died in hospital. Two of the attackers were killed in return fire, another five were injured. Documents have been found that prove the gunmen were connected to the ultranationalist organization 'The Right Sector."