Through the app, youth who are in need of help can discreetly and anonymously have immediate emergency services sent to their location.

Over the weekend police arrested 18 men and seized 16 vehicles for prostitution-related offences. They also located six at-risk youths who were reported missing.

Backpage, which hosts everything from child care to real estate ads, shuttered all adult sections in the U.S. on Monday, hours before a U.S. Senate committee released a report alleging the site has created a lucrative marketplace that makes child sex trafficking easier.