British Prime Minister Boris Johnson was under pressure to go faster in targeting Russian oligarchs and seizing their assets in Britain. Downing Street said on Thursday it would consider possible changes to speed up the process as ministers sought to apply pressure on Russian president Vladimir Putin over his invasion of Ukraine. Senior Tories called for the immediate seizure of oligarchs’ assets in the UK, such as luxury yachts and property, and the return of them to the Russian people “as soon as possible”. Questions continued over why billionaires such as Roman Abramovich, who has announced he will sell Chelsea FC, have not been hit with sanctions. Visiting Lithuania to show support to NATO allies, Foreign Secretary Liz Truss said in an interview that the government must “make sure we have the right evidence to put in place those sanctions”. But she added: “I’m very clear that legal threats will …