http://www.theaustralian.com.au/business/city-beat/csn-ups-stake-in-riversdale/story-fn4xq4cj-1226002898625
The above aticle suggests CSN might be strengthening their position as they have no off-take agreement with RIV ahrad of RIO's bid. The above article also suggests (in a round about way) of a counter-offer about to occur. We shall wait and see (at least until next week)