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April 09, 2025Apr 09, 2025

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Colin Zwirko

Colin Zwirko

Colin Zwirko is a Senior Analytic Correspondent for NK News based in Seoul. He joined the company in 2018 after receiving a master's degree in international security and foreign policy from South Korea's Yonsei University. Follow him on Bluesky / Twitter.

More articles by 'Colin Zwirko'

North Korean missiles appear to strike targets on west coast island: Imagery
NK PRO

North Korean missiles appear to strike targets on west coast island: Imagery

NK Pro analysis suggests DPRK sought to demonstrate accuracy to enemies or potential buyers with Monday launch

North Korean missiles appear to strike targets on west coast island: Imagery
Colin Zwirko
Colin Zwirko March 11, 2025
North Korea starts work on newest ski resort in remote ‘holy’ city
NK PRO

North Korea starts work on newest ski resort in remote ‘holy’ city

Construction follows Kim Jong Un’s orders last summer to build remote region’s third alpine resort amid tourism push

North Korea starts work on newest ski resort in remote ‘holy’ city
Colin Zwirko
Colin Zwirko March 10, 2025
North Korea releases first photos of new nuclear-powered missile submarine

North Korea releases first photos of new nuclear-powered missile submarine

Kim Jong Un inspects submarine and new warships, says vessels won’t be ‘restricted’ to DPRK waters

North Korea releases first photos of new nuclear-powered missile submarine
Colin Zwirko
Colin Zwirko March 8, 2025
North Korea builds secret long-range missile base disguised as golf course
NK PRO

North Korea builds secret long-range missile base disguised as golf course

Exclusive satellite imagery analysis reveals likely launchpad and storage for largest nukes near demolished Kim mansion

North Korea builds secret long-range missile base disguised as golf course
Colin Zwirko
Colin Zwirko March 6, 2025
North Korea resumes huge China border bridge project in sign of trade boost plan
NK PRO

North Korea resumes huge China border bridge project in sign of trade boost plan

Work resumes after 5-year delay on possible customs or economic park at foot of notorious ‘bridge to nowhere’

North Korea resumes huge China border bridge project in sign of trade boost plan
Colin Zwirko
Colin Zwirko March 4, 2025
North Korea says it may ‘escalate’ nuclear power demonstration in response to US

North Korea says it may ‘escalate’ nuclear power demonstration in response to US

Leader's sister Kim Yo Jong says Pyongyang 'considering' nuclear weapon event after US aircraft carrier arrives in ROK

North Korea says it may ‘escalate’ nuclear power demonstration in response to US
Colin Zwirko
Colin Zwirko March 4, 2025
North Korea dismantling large prison on east coast ahead of possible renovation
NK PRO

North Korea dismantling large prison on east coast ahead of possible renovation

‘Kyohwaso No. 9’ in Hamhung is fourth major prison camp to see demolition or construction in last year

North Korea dismantling large prison on east coast ahead of possible renovation
Colin Zwirko
Colin Zwirko March 3, 2025
North Korea to open first modern general hospital in October after 5-year delay

North Korea to open first modern general hospital in October after 5-year delay

Kim Jong Un praises ‘flawless’ Pyongyang General Hospital, which Russia may help furnish with medical equipment

North Korea to open first modern general hospital in October after 5-year delay
Colin Zwirko
Colin Zwirko February 28, 2025
North Korea conducts cruise missile test to show nuclear attack ‘readiness’

North Korea conducts cruise missile test to show nuclear attack ‘readiness’

NK News analysis confirms building destroyed on west coast island in test overseen by Kim Jong Un

North Korea conducts cruise missile test to show nuclear attack ‘readiness’
Colin Zwirko
Colin Zwirko February 28, 2025
Kim Jong Un says army must learn from ‘combat experience’ on modern battlefields

Kim Jong Un says army must learn from ‘combat experience’ on modern battlefields

North Korean leader hints at Ukraine war deployment during visit to school displaying posters on ‘exterminating’ South

Kim Jong Un says army must learn from ‘combat experience’ on modern battlefields
Colin Zwirko
Colin Zwirko February 26, 2025