The prime minster repeatedly dodged the question when asked about the possible move on the sidelines of the G20 summit - where opinion remains divided on Moscow's war and how it should end.

The Kremlin said on Monday that Russia would respond to what it called a reckless decision by Joe Biden's administration to allow Ukraine to fire American missiles deep into Russia, which it said would draw the United States directly into the conflict.

The Kremlin says President Biden's decision to let Ukraine fire missiles deep into Russia could lead to a world war. Biden's approval of the weapons deployment marks a large shift in policy as the conflict in the region nears its 1,