Check out this Samsung UK website. A quick cursory glance through products and clicking on 'where to buy' shows up items either as unavailable anywhere nationwide, or reduced in price by 50%. I admittedly haven't looked at every item, so you might find the odd product still being sold at full price:
To me it looks like a hasty withdrawal of all NX cameras from the UK.
Australia, Hong Kong and Europe are all meant to have the NX1 pulled from the market too. Who knows about other NX products. I've not looked at other regional websites, but there's a good chance that Samsung's own websites confirm the rumours.