Sabotage is the main cause of explosions in two gas pipelines in the Baltic Sea between Russia and Europe, European officials said, after seismologists reported an explosion along the Nord Stream gas pipeline.

A seismograph on the Danish island of Bornholm, which is close to where the water broke out, recorded the peak on Monday, the day the Nord Stream 1 and 2 high-pressure gas pipelines collapsed 

the center said. Danish military aircraft over the water returned dramatic pictures of the explosion, including one showing a gas field spewing over a kilometer into the sea. and the "strongest response" to any deliberate destruction of Europe's energy infrastructure. 

"Any deliberate disruption of Europe's energy infrastructure is unacceptable and will lead to the strongest response," he warned, and urged those energy analysis to clarify the "what happened and why 

" Danish Prime Minister Mette Frederiksen called them "deliberate actions", adding: "We are not talking about an accident".

U.S. Press Secretary Antony Blinken has spoken to Danish Foreign Minister Jeppe Kofod about the "apparent violation," U.S. State Department spokesman Ned Price said Tuesday evening. He said 

Polish Prime Minister Mateusz Morawiecki said that this crime was an act of sabotage that "probably indicates another stage in the escalation of the situation in Ukraine".