Opposition activist Miguna Miguna has once again fired shots at opposition boss Raila Odinga, this time accusing him of involvement in corruption.

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In a tweet on Thursday, the controversial lawyer termed Raila one of the most corrupt persons in Kenya, linking the vice to his home in Nairobi's posh Karen estate.

He claimed that the house and the land on which it sits is one of the bribes the former premier received from retired president Daniel Moi to accept defeat in the 2007 elections.

According to Miguna, Raila received the home to cool down, before accepting to take the prime minister seat after insisting that he won and was rigged out in the presidential race.

He claimed that the transaction was conducted by former Attorney General Githu Muigai who was in exchange given the position.

According to the former Nairobi gunbernatorial hopeful, Odinga also received millions of shares in a local telecommunications company.

"Following Mwai Kibaki's 2007 electoral fraud, he bribed Raila Odinga with his (Raila) current Karen property (Githu Muigai did the transaction and was appointed the AG) and 2 million shares of Safaricom Company. Earlier, Raila had led the Resist Safaricom protests," he wrote.

This comes at a time Raila seems to be leading a fierce war against graft in the nation, one of the contents of his March 9 truce with President Uhuru Kenyatta.