[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2010/images/08/30/art.fenty.file3.gi.jpg caption =" A new poll reveals Washington D.C. Mayor Adrian Fenty is trailing his Democratic opponent by seven points."]Washington (CNN) - With six days to go until a crucial mayoral primary in the District of Columbia, a new survey suggests Mayor Adrian Fenty is fighting for his political life.

A Clarus Poll released Wednesday evening indicates that challenger and D.C. City Council Chairman Vincent Gray leads Fenty 45 to 38 percent among likely Democratic primary voters, with 14 percent undecided. Gray's seven point advantage is within the poll's sampling error. Since Democrats dominate elections in the city, the winner of the September 14 Democratic primary will be considered the overwhelming favorite in the November general election.

The Clarus poll follows by eight days a Washington Post survey that indicated Gray held a 13 point advantage over Fenty among registered Democratic voters and held a 17 point margin among those likely to vote in the Democratic contest.

According to the Clarus poll, Gray, who jumped into the race in late March, leads Fenty by a 62 to 17 percent margin among African American voters, with Fenty holding a 68 to 22 percent advantage among white voters. Fifty-five percent of the survey's sample was African American and 38 percent was white. The Washington Post poll also indicated a large racial divide.

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