By Steve Holland, Michael Martina and Ryan Woo WASHINGTON/BEIJING (Reuters) -U.S. President Joe Biden warned Chinese leader Xi Jinping on Friday there would be ‘consequences’ if Beijing gave material support to Russia’s invasion of Ukraine, the White House said, while both sides stressed the need for a diplomatic solution to the crisis. In a video call that lasted just under two hours at a time of deepening acrimony between the world’s two biggest powers, Biden detailed efforts of the United States and its allies to respond to the invasion, including by imposing costs on Russia. “He described …