Teams with underwater drones are expected to investigate but it could take a week or so before it's safe enough to begin. Russia has denied it sabotaged the pipelines.Thursday 29 September 2022 12:26, UKPlease use Chrome browser for a more accessible video player A fourth leak has been reported on the Nord Stream gas pipelines.Swedish
The mysterious gas pipe leaks were caused by an explosion equal to hundreds of kilograms of TNT and measuring 2.3 on the Richter Scale, a Danish-Swedish report said.