With 48 days until the election, Republican Pat Toomey is building his lead against liberal Democrat Joe Sestak.

And with just 8 percent of Pennsylvania voters undecided, according to a new poll, Sestak is running out of time to make up ground.

From Rasmussen Reports:

Republican Pat Toomey inches closer to the 50% mark this month in his best showing yet in Pennsylvania's U.S. Senate race.

The latest Rasmussen Reports telephone survey of Likely Voters in Pennsylvania, with leaners included, shows Toomey earning 49% support, while Democratic hopeful Joe Sestak picks up 41% of the vote. Two percent (2%) prefer another candidate in the race, and eight percent (8%) remain undecided.

Read more poll results at the link below:

Election 2010: Pennsylvania Senate