Putin boosts nuclear threat: “The West is walking a tightrope, we must take this seriously” | War Ukraine and Russia

Russian President Putin appears to be stepping up his nuclear threat by sending a nuclear train to Ukraine and preparing a test with the nuclear submarine Belgorod. “The White House and the CIA take the threat seriously. We must be careful with arms supplies to Ukraine, because we are walking a tightrope”, says professor of international politics and nuclear weapons expert Tom Sauer (UAntwerp).