"Massive" sanctions European leaders threatened to impose on Russia if Vladimir Putin does not agree to a ceasefire in Ukraine face formidable political obstacles and would need U.S. support to succeed,

Russia’s economy is under growing strain as its invasion of Ukraine drags on and Western sanctions are undermining President Vladimir Putin’s ability to sustain his war, a leading European economist said after briefing finance ministers on Tuesday.

If Russia does not accept the proposal, we will discuss a 17th package of sanctions at the European level, focusing on the energy and financial services sectors. The ball is in Russia's court,' says C