1. The only alleged 'no-go zones' I've actually been in are in Paris, one of which was next to my hotel last time I was there.  Lots of people on the sidewalks, men and women, night and day.  I agree with what Fox News wrote in its apology.

2. My experience mirrors this excerpt from the Washington Post article you cited:

"Not according to the Los Angeles Times, which, like many news organizations, sent a reporter into this zone after the Paris attacks. “Despite its tainted reputation, Molenbeek is not a place that seems especially threatening,” writes Patrick J. McDonnell. ..."

3. Despite this, I'm sure that people who equate hijab-wearing women with  terrorists will continue to believe in and post about this myth.

4.  Nobody has even tried to justify a claim they exist in Sweden, which was what the original poster wrote, and to which I had replied.