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BRASILIA, Dec 15 (Reuters) - Brazil's Lower House will investigate Speaker Eduardo Cunha for lying about Swiss bank accounts, its ethics committee decided on Tuesday, handing a big blow to President Dilma Rousseff's main foe, who launched impeachment proceedings against her on Dec. 2.
The once-powerful speaker is fighting for political survival in the face of calls for his ouster and multiple investigations for taking bribes, the latest accusation involving an alleged 45-million-real bribe from investment bank Grupo BTG Pactual .
Brazilian police raided Cunha's home on Tuesday as part of a massive corruption investigation into alleged bribes for contracts at state-run oil company Petrobras.
Reporting by Anthony Boadle; Editing by Lisa Von Ahn