Which London-listed Russian firms could be hit by sanctions?

Exclusive: Firms with UK-traded shares paid the Russian government 39bn in taxes in 2020, so any sanctions would hurt

With Vladimir Putin's troops massed on the Ukrainian border, governments in the US and Europe have vowed to retaliate by imposing harsh economic restrictions. The British foreign secretary, Liz Truss, has warned of the toughest sanctions regime against Russia we have ever had".

Of all the countries threatening economic retaliation, the UK has an outsized ability to inflict damage. There is thought to be more Russian gold in London than in any other city in the world. Not only in the Chelsea mansions that house the families of oligarchs, but on the London Stock Exchange (LSE).