US president said he is ready to impose further sanctions on Russia, but only if all NATO countries stop buying Russian oil, a huge source of income for Putin.

President Donald Trump is urging NATO allies to stop buying Russian oil, a move that experts warn could lead to higher gas prices in the U.S.

President Trump attempted to give Vladimir Putin another pass after Russia sent drones deep into Polish territory. The incident comes a week after Donald Trump met with Polish President Karol Nawrocki at the White House.

Trump will meet King Charles III at Windsor Castle and hold talks with Prime Minister Keir Starmer at Chequers.

Dmitry Medvedev, a former Russian president and premier, has warned of "a war between NATO and Russia" if the military organisation shoots down Russian drones