The United States has joined Western allies in a joint statement to express concern about Russia's drone incursion into Poland and accuse Moscow of violating international law and the founding Charter of the United Nations.

The statement, read by Poland's secretary of state, Marcin Bosacki, ahead of a Security Council meeting on Friday, local time, also called on Russia to stop "its war of aggression against Ukraine" and desist from further provocations.

US President Donald Trump on Thursday said Russia's drone incursion into Poland could have been a mistake.

Poland, however, rejected Mr Trump's suggestion in a rare contradiction of the US president from one of Washington's closest European allies.

Its foreign minister told Reuters, Poland hopes Washington will take action to show so

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