Warning comes after Kim Yo-jong, the influential sister of North Korean leader Kim Jong-un, claims "dirty leaflets and things" discovered in border region
South Korea conducts live-fire drills along its disputed western sea boundary — its first since it suspended a 2018 agreement with North aimed at reducing frontline military tensions in early June
Article 4 of the agreement states that if one of the countries gets invaded and is pushed into a state of war, the other must deploy “all means at its disposal without delay” to provide “military assistance”
Putin's visit to North Korea marks a rare overseas trip since launching the invasion of Ukraine in 2022, and a significant moment for Kim, who hasn't hosted another world leader in his politically isolated country since the COVID-19 pandemic began