The CIS boosts the PSOE to 34.3% after the Leire case, giving it the largest lead over the PP.

The CIS (National Electoral Commission) gives the PSOE a 7-point lead over the PP in the latest monthly poll. Based on interviews conducted last week and amid the controversy surrounding the Leire case, the estimated vote for the Socialists is 34.5% and for the Popular Party, 27.3%.