KYIV, April 15 - Ukraine's armed forces rehearsed repelling a tank and infantry attack near the border of Russian-annexed Crimea on Wednesday, the Ukrainian military said in a statement, Reuters reported.

The region has become a focal point amid speculations of a possible Russian invasion in the area to secure supplies of water to Crimea. Ukraine supplied most of water to Crimea for decades, but had cut the supplies after the annexation in 2014.