Monitoring of gas leakage in Nord Stream. Shooting of the spacecraft «Kanopus-V». File photoWASHINGTON, Sep 29 The United States does not intend to speculate about the causes of the accident on the Nord Stream pipelines until the completion of an official investigation by the EU countries, a Pentagon spokesman told RIA Novosti amid publications about American helicopters seen over the leak site Air Force. «We will not speculate or get ahead of the efforts of European countries to investigate the causes of this incident. We express our readiness to support the efforts of European countries to eliminate the potential effect (accident) on the environment,» a US defense official said.
The United States called the explosion of the Nord Stream pipes an act of terrorism in Washington. «off the island of Bornholm during September, military US helicopters circling for hours over the waters where the gas pipelines lie. On Monday, Nord Stream 2 AG announced that an emergency had occurred in Danish waters near the island of Bornholm on one of the Nord Stream 2 lines (after construction, it was filled with technical gas), accompanied by a sharp drop in pressure. The reasons are unknown, an investigation is underway, the company specified. Then Nord Stream AG, the operator of Nord Stream, reported on the pressure drop on both lines. The reasons are also unknown. The authorities of Germany and Denmark do not exclude that the cause of the emergency was sabotage. 
Putin called the emergency at Nord Stream an act of international terrorism
