The Ukrainian Security Service says it detonated around 2,500 pounds of explosives under abridge linking Russia to Crimea, causing significant damage.

The Kremlin says a Ukrainian attack on a road and rail bridge linking occupied Crimea to Russia caused no damage. Ukraine’s SBU security service on Tuesday claimed it hit the bridge below the water level with explosives, in its third attack on the key supply line for Russian forces in the war-torn country.