Sure. It could also be the first sign of the invasion of the Mole-Men.

That seems more than merely plausible given current tensions and the location/timing connection with NYC and UN.

trump's escalator revenge?

I would put my money on it.

Similar events happened in Europe disguised as thieves stealing fiber optic. This does not have any sense economically, as the value in the market is zero so... either is an honest accident and is cleared in a few days, or is sabotage

Yes please. Russia did it. Please move the patriotic war to the Bering Strait (Strait of America?) and leave Europe alone.