said they had regained control of a stretch of the border with Russia. Immediately following the operation, Ukrainian president Petro Poroshenko instructed the chief of the Donetsk regional state administration Serhiy Taruta to temporarily move the regional capital to Mariupol. A minor incident occurred the next morning, when a convoy of border guardsmen was attacked by insurgents whilst passing Mariupol, leaving five guardsmen dead and seven wounded. OSCE monitors visited Mariupol to assess the situation in the city on 18 August. They reported that the city was calm and secure. They spoke to a local activist who told them that "the city had become stable" in the months after the recapture of the city by government forces. According to UNHCR, there were at least 4,000 refugees from the ongoing war in the Donbas region at the time that the monitors visited the city. Unofficial statistics cited by the OSCE gave the number of refugees in Mariupol as 20,000. Casualties There were conflicting reports regarding the number and identity of the dead with regard to the 9 May 2014 incident. Internal Affairs minister Arsen Avakov stated that the operation resulted in the death of one policeman, and about twenty people described as "terrorists". Four militants were captured and five policemen were wounded. The Daily Telegraph reported that some locals thought that most of the between five and twenty people killed were innocent civilians. City traffic police chief Viktor Sayenko was killed in the fighting on 9 May. A Euronews report said Mariupol residents, including the priest who conducted Sayenko's funeral, were unsure how he was killed, or who was responsible. Chief of Police Valery Andruschuk was captured by pro-Russian forces. He was released on 12 May, and was found in serious condition with a brain injury, brain contusion, and broken ribs. It was confirmed later that two pro-government territorial defence battalion paramilitaries were killed as well. One of them was the deputy commander of the Dnipro Battalion, Serhiy Demydenko, who was killed by sniper fire. Citing eyewitnesses, Mariupol internet publication 0629 reported that "terrorists took Demidenko's dead body and cut his ears off and gouged his eyes." Eight soldiers were also wounded in the fighting. The Mariupol city administration declared 10 May 2014 as a day of mourning in honour of those killed in the 9 May incident. Residents placed flowers in front of the gutted police station. A large public