An explosion that damaged the only bridge linking Russia to Crimea dealt a blow to the Kremlin and triggered a new escalation in the Ukraine war. WSJ examined footage of the blast and its aftermath to understand what happened.

Over the past two weeks Russian military sites in Crimea have been hit by a series of explosions. Ukraine stopped short of taking credit but high-ranking officials termed the blasts “just as the beginning” and "demilitarisation in action". Russia claimed...

This Tuesday Russian Airfield in Crimea was under attack. Most likely these were Ukrainians. The questions is: how did they do it? After air defense systems of Russians are down: will Crimean Bridge be the next target? Russians can potentially be encircle...