China may be seen as a Russian ally - but many of its suppliers have started demanding 100 per cent pre-payment at the point of purchase for all types of imports to Russia.
Some alcohol shipments have also stopped.
Alexander Martynov, founder of Rovesnik bar in Moscow, said: 'Suppliers have already sent notifications that prices for imported goods will increase.
'For example, we bought sweet potatoes in Canada, and we imported cheese.
'And now prices are going up by 30-to-40 per cent, and this is clearly not the final increase.'
Westerners living in Russia are facing problems using their debit or credit cards linked to foreign banks.
The Russian wife of a US citizen said: 'Bank cards don't work, and we're wondering how we can withdraw cash. My husband managed to withdraw some cash yesterday, but today he went to the shop and came back empty-handed.'
Despite the devastating financial damage, a smirking Vladimir Putin yesterday ranted about the West's 'empire of lies' and banned Russians from sending their money abroad from midnight.
Ukraine invasion: Russians relive Soviet-era shortages with queues at ATMs as Western sanctions hit | Daily Mail Online