russians. and a note, russia is cracking down on the media there, limiting what reporters can say under threat of imprisonment. our keir simmons is in moscow. >> reporter: just hours after president biden announced his ban on russian oil, president putin unveiling restrictions on imports and exports, to ensure the safety of the russian federation. it's not clear what goods or countries are targeted. before the u.s. announcement, the russian deputy prime minister saying, rejecting russian oil would lead to catastrophic consequences for the global market. and warning russia could cut gas supplies to europe. the european union did not join the u.s. ban, but did propose gaining independence from russian fossil fuels by 2030. european imports 45% of its gas from russia. and 25% of its oil. while russian oil and gas revenues reached $119 billion in 2021, according to russian's finance ministry.