UK: The “Toxic Male Gaze”: Should men staring at women be illegal?

Article here. Excerpt:

'Earlier this year it was reported that “A senior police officer has urged everyone who witnesses "intense staring" on the London Underground to report it, amid concerns it could be an early sign of unhealthy sexual behaviour… Posters have now been place in tube [train] stations across the capital stating: "Intrusive staring of a sexual nature is sexual harassment and is not tolerated"”.

It should go without saying that sexual harassment of any kind should be discouraged. However, we don’t all agree on what constitutes sexual harassment. In addition, the specific issue of intense/intrusive staring is in many ways subjective, so raises a lot of questions. I guess when thinking about how we are looking, and being looked at, on public transport, we should start with the question of how do we know when intense starting is of a sexual nature? And can women be charged with ‘sexual staring’ too?'