MARIETTA - Cobb County authorities have identified two people killed in a two-car collision on Interstate 75. <br>
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The victims are identified as 35-year-old Rodney Youngblood Owens of Powder Springs and 22-year-old Michael Jason Gravley of Woodstock. <br>
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The accident happened around 6:20 p.m. Sunday near the Windy Hill Road exit and tied up a section of the interstate for about three hours. <br>
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The couple in the other car were not injured.
