Vladimir Putin has issued his latest threat following US media reports that the Biden administration had discussed returning nuclear weapons to Ukraine. Listen to The World podcast while you scroll as our hosts ask: What is the endgame for Putin and Zelenskyy?

North Korean leader Kim Jong-un has visited the facility several times and the state media has previously talked about the tactile missiles being mass-produced at the location.

Kazakh police are investigating the brief appearance of the Ukrainian flag on a large LED screen in the capital city, Astana, during a visit there by Russian President Vladimir Putin, Kazakhstan's interior ministry said on Thursday.

Russian President Vladimir Putin arrived on Wednesday in the Kazakh capital of Astana, where he was greeted by his counterpart President Kassym-Jomart Tokayev.

Russian President Vladimir Putin will discuss energy ties on a visit to Kazakhstan this week, the Kremlin said on Tuesday, a trip that comes amid trade tensions with the Central Asian nation, which exports most of its oil through Russia.