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.

Snake Island, in the Black Sea, is a key battleground in the Ukraine war. Satellite images show how Russian forces are using the island to strengthen their military capabilities and block ships carrying grain, as Moscow continues its push in eastern Ukrai...