France 24 reporting recently cited ONN's Update: Developments at the DPRK's Punggye-Ri Nuclear Test Site between 6 and 14 April 2022.
"Satellite imagery shows signs of new activity at a tunnel at the Punggye-ri testing site, which North Korea said was demolished in 2018 ahead of a Trump-Kim summit.
The Vienna-based Open Nuclear Network says it has spotted signs of excavation and increased activity, indicating North Korea may be preparing it for a nuclear weapon test."
