A sales manager chased a female colleague around the office before he put her across his knee and spanked her, a tribunal heard…[He] allegedly also used to sit women staff on his knee and stroke their hair while encouraging others to grab his genitals…Former sales executive…says staff at…Cathelco…drew insulting cartoons about her weight… [Miss] Ashby…says she was subjected to a "continuous course of mistreatment" until she lodged a grievance...Miss Ashby…is claiming constructive dismissal and sex and pay discrimination against Cathelco…Miss Ashby…says she was also paid less and treated less favourably than her male comparators in terms of salary and bonus pay. She claims her grievance was not properly investigated by the company because she was a female…The company denies all the allegations…