You must understand that coercion can be subtle and, like other crimes, hard to prove without witnesses and hard evidence. So let's say a woman sits where she wants and several men around her make violent verbal threats under their breaths or push her around as the bus sways over bumps. If all deny any wrongdoing when the police investigate, it will be her word against all of theirs. Multiply this by 20 times a week. Not an easy case to win in an already overcrowded legal system.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)