KYIV, Ukraine — Ukraine said Tuesday that it had struck the Crimean bridge for the third time since the start of Russia’s full-scale invasion, after spending months planting explosives on support structure beneath the water.

The extent of the damage was not immediately clear, but the Security Service of Ukraine, the intelligence agency known as the SBU, released a statement and a video that it said showed one of the detonations.

“Today, at 4:44 a.m., without any civilian casualties, the first explosive device was detonated,” the agency said in a statement. “The underwater support pillars were severely damaged at the seabed level — aided by the equivalent of 1,100 kg of TNT.”

Surveillance footage released by the agency and verified by The New York Times shows an explosion under the Kerch

See Full Page