December 4 is the fourth annual Call to Earth Day, and young people across the world are taking part in a collective effort to improve the planet they’ll one day inherit.

South Korean President Yoon Suk Yeol has lifted a martial law order, just hours after his decree plunged the country into political uncertainty. Follow for live updates.

South Korean President Yoon Suk Yeol on Tuesday declared martial law in a surprise late-night address. Follow for live news updates.