Liz Truss says UK will introduce tougher sanctions on Russia this week

Foreign secretary announces legislation in bid to dissuade Putin from launching Ukraine invasion

Legislation to allow Britain to hit banks, energy companies and oligarchs close to the Kremlin" with economic sanctions will be introduced by the government this week, the foreign secretary, Liz Truss, has said.

The scheme is the latest attempt by the UK to dissuade the Russian president, Vladimir Putin, from launching an invasion of Ukraine, and was announced hours after Britain said it was willing to deploy more forces to Estonia and other Nato allies in eastern Europe.