Russia-Ukraine war: Putin threatens to ‘freeze’ west by cutting oil and gas supplies if EU imposes price cap – live

Russian president rails against EU price cap as he also claims Ukrainian grain exports not going to world's poorest countries

• At a glance: what we know on day 196 of the invasion

Britain's new prime minister Liz Truss and her US counterpart Joe Biden have promised to strengthen their relationship in the face of Vladimir Putin's aggression.

Truss's call to Biden on Tuesday night followed a conversation with Ukraine president Volodymyr Zelenskiy, and focused on what she called "extreme economic problems caused by Putin's war".