Seven people, including a three-year-old girl, were killed during an exchange of fire between two groups of people in Dagestan''s Untsukul region, a spokesman for the investigation department of the Russian Investigative Committee in Dagestan told (ITAR-TASS) news agency. According to investigators, "on Tuesday, a brawl occurred between two groups of people near a filling station 10 kilometres from the settlement of Untsukul which ended with an exchange of fire, as a result, seven people were killed." Investigation is underway.