(CNN) — Democrat Al Franken has pulled ahead of incumbent Republican Sen. Norm Coleman in Minnesota’s still unresolved U.S. Senate race, according to a running tally on the Minneapolis Star Tribune’s Web site.

Late Friday morning, the newspaper’s tally put Franken ahead by 102 votes. Coleman’s lead had fallen to single digits Thursday evening.

But the race remains fluid: The results reported by the newspaper are ongoing, with hundreds of challenged ballots still to be reviewed…