During Simchas Beis HaShoeva many men drink as part of simchas yom tov and therefore the separation protects women from being face to face with inebriated men. The arrangement has a rationale, but spraying mace at people has no rationale. Shouldn't these crowds have a police presence as a security precaution?
Key U.S. House Democrat cites troublesome issues in Iran nuclear deal (Reuters)
from the article: Haredi teargases woman for using 'men only' sidewalk