North Korean leader Kim Jong-un sent a message to congratulate Russian President Vladimir Putin on his 70th birthday on Friday, local media has reported.
The authoritarian ruling Workers' Party newspaper, Rodong Sinmun, reported that the letter congratulated Putin for "crushing the challenges and threats of the United States."
The birthday message continued: " Russia is reliably defending the dignity of the state and its fundamental interests from the challenges and threats by the US and its vassal forces.
