Sweden has found a new leak in a large us undersea pipeline that carries Russian natural gas to the EU, the fourth discovered this week.
Denmark and Sweden reported gas leaks in the Nord Stream 1 and 2 pipelines earlier this week.
NATO said the incidents were the result of “deliberate, reckless and irresponsible acts of sabotage”.
Russia has dismissed suggestions that it attacked its own pipeline as “predictable and stupid”.
Instead, the Russian Foreign Ministry said the explosions occurred in “zones controlled by US intelligence”.
Germany’s ambassador to the UK, Miguel Berger, told the BBC it was clear a non-state actor could not have been responsible for the incidents – in other words, the country had to be responsible.
The Swedish Coast Guard said it had found a fourth leak on Nord Stream 2, very close to the larger leak found earlier on Nord Stream 1.
The EU has repeatedly accused Russia of using gas supplies as a weapon against the West in retaliation for its support for Ukraine.