JD(U) president Sharad Yadav on Sunday alleged MNS chief Raj Thackeray was a “stooge” of Congress, which was using him against Shiv Sena-BJP combine for electoral gains in Maharashtra. “Raj Thackeray is a stooge of the Congress, which is using him against the Shiv Sena-BJP combine,” Yadav told reporters when asked about the MNS chief’s remarks on the Hindi news channels.