Cash, who was appointed to the role following the death of Bob Crow in 2014 and then re-elected for a further five-year term in August 2019, had reportedly faced a number of clashes with the union's National Executive Committee in recent months.

The use of a fiber to deliver the laser energy to tissue caused the laser beam to lose its collimation (unidirection).

Man came into this world, not to sit down and muse, not to befog himself with vain subtleties, but to gird up his loins and to work.

Well, you see, I was temporarily in command of the cruiser coming down the Baltic, and passing an island rock a few miles away, I thought it would be a good opportunity to test a new gun that had been put aboard when we left England.