North Korea's official news agency announced today, Wednesday, that an economic delegation from Pyongyang headed by the country's minister of foreign economic affairs has left for Iran.

Afghan Voice Agency (AVA) - International Service: North Korea's official news agency "KCNA" announced: This economic delegation, headed by North Korea's Minister of Foreign Economic Affairs Yoon Jong-ho, will visit this country on April 23 (local time). 

Yun Jong-ho has already played a role in expanding North Korea's relations with Syria.
 
Yoon Jong-ho traveled to Moscow earlier this month at the head of a delegation.
 
This news agency did not mention any other details about the visit of this North Korean official to Tehran.