https://news.sky.com/story/a-maritime-m ... ueHhQPWfDI
It's the only report I've seen so far - I'll have a look around and see if I can fine anything more authoritative.In the early hours of Sunday 31 May, senior officers aboard the oil tanker Willowy were called to the bridge to be told that their ship and four others in its vicinity were mysteriously sailing in circles, unable to steer, and on course to converge.