Saw this one first hand…
Stolt Groenland I think it was
It was apparently a STS operation ongoing between two Norwegian owned chemical tankers, the Stolt Groenland and Bow Dalian at the time. Nobody killed or seriously injured:
Here a smartphone video from the incident:
PS> It appears that the statement from Stolt referred to their own personnel only.
More info and videos from Ulsan:
UK’s MAIB getting into this…