Russian oil firm Tatneft could strike a deal with Zimbabwe to supply fuel to the crisis-stricken African country in exchange for diamonds, the Zimbabwe Independent reported on Friday, describing the potential deal as ‘murky’ because Zimbabwe’s Minister of Mining, Winston Chitando, told the news outlet that he was not aware of any such development. “It is the first time I am hearing of that. The bottom line is that it is not true. I maintain that it is not true,” Chitando told the Zimbabwe Independent. The potential…