Amid shock in Russia over the Moscow terrorist attack which left over 130 people dead, Ukraine military launched a huge airstrike on Crimea. The port city of Sevastopol which hosts a key Russian navy base was targeted. Crimea's governor called the most massive Ukrainian attack in recent times. The Ukrainian military claimed to have struck two Russian navy ships identified as Yamal and Azov, although the extent of the damage was not clear. Watch the full video for more.