Russia plans to sow chaos with attacks on air transport in Poland and elsewhere, Polish Prime Minister Donald Tusk has warned. His comments are the latest indication of what security experts charge is a campaign of sabotage and intimidation inspired by Moscow that began last year.

Polish Prime Minister Donald Tusk has accused Russia of planning acts of sabotage worldwide that included “acts of air terror” against airlines.

Polish Prime Minister Donald Tusk said on Wednesday Russia had planned acts of "air terror" against airlines worldwide, accusing Moscow of staging sabotage and diversion on Polish soil and beyond. "All I can say,

Russia’s military on Tuesday said it would retaliate against Ukraine after Kyiv attacked Russian regions by firing six US-made ATACMS ballistic missiles, six UK-made Storm Shadow cruise missiles and launching one of the biggest drone attacks to date.

Ukraine fired six US-made ATACMS ballistic missiles, six British Storm Shadow cruise missiles and at least 146 drones into Russia in a mass attack, says Moscow. It threatened retaliation against the air strikes.

Moscow said on Tuesday that Ukraine had fired six U.S.-made ATACMS ballistic missiles, six UK-made Storm Shadow cruise missiles and at least 146 drones into Russia in an attack that it said would not go unanswered.