Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. Ukraine's defense ministry on Saturday claimed it had sunk a Russian Serna-class landing boat off of the now-famous Snake Island which has stood as a symbol of resistance since the beginning of the war. Undated video footage posted to social media appears to show an airstrike hitting a landing vessel that had soldiers on board. Spokesman for the Odesa Regional Military Administration, Serhii Bratchuk, told Ukrainian news outlet Pravda that Zmiinyi Island – also known as Snake Island – has become "a symbol of our rock-hard endurance and our ability to shatter the enemy's most persistent efforts."