Roughly 4,700 of those wanted for arrest were able to escape and go into hiding. This aligns with survivors' statements that they had been warned by their colleagues, foremen, and others—in one case even a police officer—shortly before the action took place.
Around 4,700 people who were slated for apprehension successfully evaded detection and went into hiding. This is corroborated by statements from survivors who stated they received warnings from coworkers, superiors, and others, including a police officer, shortly before the incident took place.