President Donald Trump said he wants Ukraine to give the US rare earth metals in exchange for aid in its war with Russia. Speaking to reporters at the White House on Monday, the president said he wanted to get guarantees on a supply of "very valuable rare earth" materials from Ukraine in return for US military equipment.

As President Trump suggests he is open to supplying Ukraine with more weapons in exchange for access to the country’s mineral resources, WSJ’s James Marson explains what is at stake for Kyiv and its main ally in the war with Russia.