Biden calls Putin’s suspension of US arms treaty a ‘big mistake’

In his first comments since Mr Putin’s announcement on Tuesday, Mr Biden condemned the Russian decision to pull back from the treaty, known as New Start.

Protestors hold a sign asking US President Joe Biden to send fighter jets to the Ukraine as he leaves his hotel for the Polish Presidential Palace (Alastair Grant/AP)

Joe Biden says Russian President Vladimir Putin made a “big mistake” by suspending his country’s participation in the last remaining US-Russia nuclear arms control treaty.

The US president was in Poland to reassure eastern flank Nato allies the US will remain by their sides amid the grinding Russian invasion of Ukraine.