MEXICO CITY (Reuters) - Mexico's presidential front-runner Enrique Pena Nieto maintains a big lead over his rivals just days ahead of the July 1 election, a voter survey by polling firm BGC showed on Wednesday.
The poll for newspaper Excelsior put Pena Nieto of the opposition Institutional Revolutionary Party (PRI) at 44 percent support, up 2 points from a prior survey published on June 17.
Leftist hopeful and 2006 runner-up Andres Manuel Lopez Obrador, gained 1 point to 28 percent.
Josefina Vazquez Mota, candidate of the ruling National Action Party (PAN), dropped 4 points to 25 percent.
(Reporting By Dave Graham)