MEXICO CITY (AP) -- The head of Mexico's former ruling party has resigned amid a financial scandal that had begun to weigh on its hopes to regain the presidency in 2012.
Humberto Moreira tells members of the Institutional Revolutionary Party that he is resigning because he doesn't want to hurt the party.
Moreira had fought to remain in office despite growing controversy over a 34 billion peso ($2.8 billion) debt he left the state of Coahuila after resigning as governor to head the party.
A former aide to Moreira also is under investigation for amassing unexplained wealth.
Moreira resigned Friday after PRI presidential candidate Enrique Pena Nieto had begun to publicly distance himself from the party leader.
(Copyright 2011 by The Associated Press. All Rights Reserved.)
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