Bharat Express

Kim Jong Un

South Korea suspended a five-year-old military agreement with the North Korea

Washington has accused North Korea of supplying Russia with weaponry for its war in Ukraine

Russia has increased shell output this year to a projected 2.5 million

The North Korean leader began the year with a fresh threat to dramatically expand North Korea's nuclear arsenal, implying plans to boost output at an unprecedented pace.

Kim Jong Un's tour of Russia's far east, which began on Tuesday, has been heavily focused on military cooperation.

Moscow is thought to be keen on purchasing North Korean weaponry

The visit of North Korean President Kim Jong Un to Russia has intensified concerns about the formation of another anti-Western bloc in an already fragmented world.

Washington and its allies worry that his visit will advance Pyongyang's missile program and enhance Russia's military in Ukraine

Kim claimed that his meeting with Putin was a "stepping stone" toward closer ties between the two nations.

Russia is interested in purchasing North Korean munitions for use in Ukraine