PUBLISHED: 16:48, Tue, Sep 17, 2019 | UPDATED: 17:07, Tue, Sep 17, 2019
Putin's boats were patrolling the Sea of Japan when fishing boats entered Russian territorial waters. The rogue North Koreans were aboard racketeering boats and are thought to be have been fishing illegally. The crew of one North Korean ship attacked Russian boats injuring three guards in the process.It is unclear what weapons were used in the attack.
Both ships, with a total crew of 56, have been apprehended and are being towed to Russia.
Russia’s relations with the secretive state are cordial, and the border attack is a rare incident.
Russia claim part of the sea as part of their exploration of natural resources as well as fishing.
In August, Kim Jong-un fired two ballistic missiles into the same region.
Putin and Kim Jong-un have an otherwise positive relationship (Image: getty)
Kim has ramped up missile testing this year with Trump talks stalling and starting (Image: getty)