It is reported by RIA Novosti. 

“The EU is deeply concerned about the damage to Nord Stream… Security and environmental issues are of the highest priority.

These incidents are not accidental and affect all of us,” Borrell said.

He also noted that "all available information indicates that these leaks are the result of deliberate actions." 

Earlier, the Russian Embassy in Denmark said they were counting on a thorough investigation of the incident with a gas leak on the Nord Stream and Nord Stream 2 gas pipelines.