Nairobi, March 18 -- Egypt and Ethiopia have once again locked horns in a fresh row over the latter's massive dam project, the Grand Ethiopian Renaissance Dam (GERD) on the Blue Nile.

The new development comes after Cairo issued a fresh warning saying that "all options are on the table" to deal with any threats to its water supply posed by the Ethiopian mega dam.

"All options are open, and all alternatives remain available, and Egypt has its capabilities," Egyptian Foreign Minister Sameh Shoukry warned on Wednesday.

"We just declare all options open without defining specific procedures, and this serves the Egyptian interest in retaining all available alternatives," Shoukry said, adding that Egypt takes disciplined stances towards Ethio...