By Michael Oleaga / ( | First Posted: Nov 05, 2012 07:43 PM EST

Elizabeth Warren is cracking down on irresponsible big business. (Photo : REUTERS/Adam Hunger)

It has been a narrow race with Democratic challenger Elizabeth Warren gaining a narrow lead but a new poll has shown the incumbent ahead - by one percentage point.

According to the latest University of Massachusetts Lowell and Boston Herald Poll, current Massachusetts Senator Scott Brown received 49 percent of the survey featuring 800 likely voters compared to Warren's 48 percent.

Despite the one percent lead for Brown, it is actually three percent less compared to the previous U Mass and Boston Herald poll. The previous poll was conducted between Sept. 13 and Sept. 17 with 497 likely voters and Brown maintained the 49 percent as Warren received 45 percent.

Other polling data shows Warren leading and by a comfortable margin.

Based on the latest Public Policy Polling (PPP) poll conducted from Nov. 1 and Nov. 2 with 1,089 likely voters, Warren is ahead by six percentage points. In specifics, Warren received 52 percent to Brown's 46 percent.

The numbers are mixed results for both Warren and Brown. Based on the previous PPP conducted between Oct. 9 and Oct. 11, Warren sees a two percent bump from 50 percent to now 52 percent, but Brown also has a two percent increase from 44 percent to now 46 percent.

Western New England University Polling Institute's telephone survey from Oct. 26 to Nov. 1 also shows Warren in the lead but this time by four percent. From the 535 likely voters surveyed, Warren received 50 percent to Brown's 46 percent.

Brown was elected senator in 2010 under a special election to fill the seat left vacant following the death of Ted Kennedy. Brown won by five percentage points against Massachusetts Attorney General Martha Coakley. The 2012 election is Brown's effort to fulfill his first full term as senator.

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