The US President has admitted it will drive up fuel prices further.
US President Joe Biden's announced his country will ban oil and gas products from Russia.
Fighting's continued on the ground in Ukraine - with attempts to evacuate civilians from the city of Mariupol failing for a fourth day.
However, a ceasefire did hold up to allow residents to flee the embattled town of Sumy.
In England, Ukraine's president Volodymyr Zelenskyy is about to make an historic address to the House of Commons - he'll become the first foreign leader ever to do so.
The UK has also announced it's going to stop importing Russian oil.
US President Joe Biden admitted these sanctions will mean further increases in petrol prices: