South Korea said it might send weapons to Ukraine after Putin signed a security pact with its biggest enemy

• South Korea said it could start sending weapons to Ukraine. 
• It came after Russia signed a security pact with North Korea. 
• Russia's alliance with North Korea has spiked tensions in the region. 

South Korea said it could send weapons to Ukraine after Russia signed a security pact with Seoul's biggest regional foe, North Korea.

"We will reconsider the issue of supplying weapons to Ukraine," South Korean national security advisor Chang Ho-jin told reporters late on Thursday after the Russian President signed the pact with North Korean leader Kim Jong Un in Pyongyang.