Erev Rav *Provocation.....

this was a deliberate *provocation by those sending girls into Bnei Brak:

The Horrifying Chillul Hashem in Bnei Brak and Why We Must Stop the Bleeding 

By Rabbi Yair Hoffman

[...] “On Sunday afternoon, images emerged from Bnei Brak that sent shockwaves throughout the Torah world and beyond. Two female IDF soldiers—who, according to multiple reports, were not military police at all, but **commanders from the Education and Youth Corps making a routine home visit to one of their soldiers—were surrounded by a mob of over a thousand people on Chagai Street. They were chased, screamed at, and called “Nazis.” ***Attempts were made to physically assault them. Police had to rush in to extract them from the crowd. During the ensuing mayhem, rioters overturned a police patrol car and set a police motorcycle ablaze. Tefillin and a siddur that had been inside the motorcycle were found charred in the wreckage.[…]

Source

*thank you tomerdevorah for this analysis; excellent. Also read her Clarification of Hillul Hashem
** they didn't want to enter but commanders insisted, thereby causing this happening so the police could enter and arrest.
***i don't believe this