A Tory leadership frontrunner made a bizarre quip saying she "has no willy" in a barbed reference to trans issues.
Penny Mordaunt, who polling suggests is the most popular candidate among grassroots members, quoted Margaret Thatcher as she addressed the divisive issue.
Speaking in a sweaty room in central London, the 49-year-old former defence secretary made repeated references to a matter which threatens to overshadow the race for Number 10.