Nord Stream pipelines sabotage
On 26 September 2022, a series of underwater explosions and consequent gas leaks occurred on 3 of 4 Nord Stream pipes, rendering them inoperable. The Nord Stream 1 (NS1) and Nord Stream 2 (NS2) are two of twenty-three natural gas pipelines between Europe and Russia.
Source: Wikipedia — Nord Stream pipelines sabotage (CC BY-SA 4.0)