President Donald Trump said Wednesday that Vladimir Putin intends to retaliate “very strongly” against Ukraine for a surprise drone strike on Russian airfields over the weekend, a declaration that provoked alarm in Washington and abroad even as Trump touted his efforts to bring peace to the region.

President Donald Trump has criticized President Vladimir Putin of Russia after the Kremlin launched hundreds of missiles and drones at its neighbor over the weekend. Trump told reporters in New Jersey before boarding Air Force One that he was "not happy" with Putin over the recent attacks.

By Steve Holland, Guy Faulconbridge and Max HunderWASHINGTON/MOSCOW/KYIV (Reuters) -U.S. President Donald Trump again expressed frustration on Wednesday with Russian President Vladimir Putin over the intensifying Ukraine conflict,