China supplying arms to Russia would be 'red line' for EU: Borrell

Russia-Ukraine War: Josep Borrell said he told China's top diplomat Wang Yi that they will remain vigilant over the issue.

The EU's foreign policy chief on Monday warned China against providing Russia weapons for its war on Ukraine, after Beijing slammed US claims it could make the move.

European Union Foreign Policy Chief Josep Borrell. (AFP)

Josep Borrell said he told China's top diplomat Wang Yi that "for us, it would be a red line in our relationship. He told me that they are not going to do it, that they don't plan to do it. But we will remain vigilant."