Oligarch money is embedded in London. Beware the big talk of a ‘crackdown’ | John Harris

How can we expect the Tory party to wean Britain off Russian wealth and power, when they got us hooked in the first place?

In some of London's most exclusive neighbourhoods, you can suddenly sense the kind of unease that wealth usually keeps at bay. As the government talks up its determination to crack down on Russian oligarchs, a much wider shift may be afoot. On Friday the Financial Times quoted the chair of Aylesford International, a Chelsea estate agent whose current offerings include a four-bedroom apartment in Cadogan Square, SW3, going for the best part of 12m. The severity of these sanctions is the beginning of a new world, a new market," he said. I don't think you can hide any more."

On Monday, the House of Commons will debate the government's economic crime (transparency and enforcement) bill - first drafted four years ago, since subjected to serial delays, but now finally revived thanks to Vladimir Putin's invasion of Ukraine. Ministers say they want to tackle the tangle of secrecy and deception that has long surrounded money stripped out of overseas economies and poured into British property, assets and banks, and thereby smooth the way for even harsher action against people linked to the Russian government. Whether this will do anything to halt the current killing and chaos is rather more doubtful than some people are making out, but Boris Johnson insists the bill will continue to tighten the noose around Putin's regime".