NEW YORK, Oct 5 - Citigroup Inc said it won a court order late on Saturday blocking Wells Fargo & Co. from buying hobbled U.S. bank Wachovia Corp until the court rules otherwise.

Citigroup, which planned to buy Wachovia’s banking assets for $2.2 billion, said New York State Supreme Court Justice Charles Ramos granted an injunction extending Wachovia’s agreement to negotiate exclusively with Citigroup.