The latest, but bloodiest Central Asian conflict in years is over water resources. And this clash, long in the making, has major regional implications.

For a country with an entrenched single party system, the subject of selling or leasing land to foreigners has proven a volatile issue.

Uzbekistan has announced the sale of the Fergana Oil Refinery, the second-largest in the country, through an open sale process, UzAssets Investment state company said.