She reported Declan Morris, a new fitness manager, in June 2022 for carrying out a Ministry of Defence fitness test on someone who had an elevated blood pressure reading, which meant he should not have done it.

She only reported the matter after she had first raised it with him and he reacted in a “hostile manner”.

Ms Littlewood was informed that Mr Morris would have to go through “retraining” to make sure he was carrying out the tests in the right way.

From that month onwards, Mr Morris began withholding three hours of pay a week from Ms Littlewood.