REFILE- UPDATE 1-Sechin says no offer made to Rosneftegaz to buy Uralkali
* Russian state holding company "can consider anything"
* Sechin says oil major Rosneft not interested
* Kerimov under pressure to sell after Uralkali quit cartel
* Kremlin seen wanting to revive Russia-Belarus alliance
SOCHI, Russia, Sept 16 (Reuters) - The owners of Russian potash producer Uralkali have yet to make an offer to sell their shares, Igor Sechin, the chairman of state holding company Rosneftegaz, said on Monday, leaving the door open to a potential nationalisation.
Shares of Uralkali rose on Monday on speculation that Russian tycoon Suleiman Kerimov, the main owner of Uralkali, may sell his stake in a Kremlin-backed deal aimed at reviving a marketing alliance with Belarus.
Speculation that Kerimov will sell his stake has mounted since Uralkali triggered a row with Minsk by pulling out of the cartel with state-owned Belaruskali in July.
Uralkali CEO Vladislav Baumgertner was arrested on Aug. 26 in Minsk and has been charged with abuse of office. Continued...