of territory in the east of the country. they're advancing east of the city of lyman. president putin has announced heightened security measures across russia and declared martial law in the four unlawfully occupied regions of ukraine. president biden says the us will sell off a further 15 million barrels of crude oil from its emergency supplies. the release is meant to prevent prices rising after the oil—producing nations, led by saudi arabia, said they would cut production. now, bbc news investigates a new trend on tiktok — hundreds of families in refugee camps in syria begging for gifts on tiktok livestreams. there's a new trend on tiktok.