Original sentence: A gunfight took place at an anti-government controlled checkpoint.It has been pointed out that the Russian  channel posted video and reports of the event to YouTube on 19 April.Pro-Russian groups claimed that three or four cars approached the checkpoint and opened fire on the separatists.Sky News correspondent Katie Stallard said there are inconsistencies in the separatists' accounts and there is no coherent evidence to back up what they were saying.The pro-Russian self-defense forces claim to have confiscated firearms including a German World War II-era MG-42 machine gun, a night vision device, aerial photos of Sloviansk, military uniforms, and camping tools, US cash, and an alleged Right Sector business card of presidential candidate Dmytro Yarosh.The video released by Russian TV which claimed to show the identifying badges of the Right Sector turned out to have been filmed ten hours before the actual attack took place, as evidenced by the time stamp which the Russian camera crew forgot to remove.There were conflicting reports on the number of those killed in the gunfight, and the identity of the alleged attackers remained unknown
Edited sentence: 20 self-defense force members from Sloviansk were called in to repel the attackers.After they arrived, they claim to have killed two of the gunmen, the remainder of whom fled the scene in two cars in the direction of Kharkiv.Controversially, the Russian  channel posted video and reports of the event to YouTube on 19 April.Due to the truce, the local residents manning the checkpoint claim they were armed with only bats.Sky News correspondent Katie Stallard said there are inconsistencies in the separatists' accounts and there is no coherent evidence to back up what they are saying.The Easter Truce was broken after a gunfight took place at an anti-government controlled checkpoint.The pro-Russian self-defense forces claim to have confiscated firearms including an German World War II-era MG-42 machine gun, a night vision device, aerial photos of Sloviansk, military uniforms, and camping tools, US cash, and an alleged Right Sector business card of presidential candidate Dmytro Yarosh.Unknown gunmen arrived at the checkpoint in four cars, after being asked to turn off the headlights, take out IDs and open the trunk for inspection, allegedly opened fire