Russian officials said that NATO in July practiced a diving device near the Nord Stream pipe leak off Denmark.
NATO has organized a exercise, used many deep diving equipment in the Denmark Island area in July.
NATO officials have not yet commented on this information.
The gas ball escaped from the leaked position on the Nord Stream pipe on September 28.
The speech was made after NATO confirmed that the leaks on the Nord Stream gas pipeline were intentional, reckless and irresponsible vandalism, and announced that they would respond by reactions.
Ms. Zakharova previously said that the Nord Stream pipeline leaked in an area supervised by US intelligence, asking US President Joe Biden to answer whether Washington would be behind this incident and post the video of the White House boss on 7
A Adrienne National Security Council spokesman criticized Russia's request as ridiculous and accused Moscow.
CNN quoted Western intelligence officials as saying that the Russian Navy ships on September 26-27 appeared near the Nord Stream pipeline leak.
Leaked positions on Nord Stream 1 and Nord Stream 2. Graphic: BBC.
Swedish officials on September 26 announced the two leaked positions on the Nord Stream 1 pipe, one located in the Denmark Economic exclusive zone (EEZ), one of the Swedish EEZ, the same leaked position on
At the time of detecting the incident, the two pipes were inactive but filled with gas.
Germany, Denmark and Sweden both identified two damaged pipes due to the intentional sabotage, but did not say they suspected which side was behind.
Swedish officials said they discovered two explosions under the sea before Nord Stream 1 was leaked.
Russia and the US both denied the leak of Nord Stream gas pipelines.
Nord Stream 1 and 2 recently became the focus of geopolitical tensions, when Europe elected Russia cut the supply of gas to weapons energy, and Moscow said that Western sanctions made them unable to guarantee.
Many countries claim to have sabotage behavior in the leak of gas pipeline from Russia to Germany Nord Stream but who behind is still controversial.
Three consecutive leaks at two Nord Stream gas pipes from Russia to Germany show how vulnerable European energy infrastructure is.