sentences:  About 4,700 of the remaining 11,000 Jews left in Berlin were able to escape and to go into hiding .This matches with stories of survivors telling that they had been warned by their colleagues and foremen - in one case even a police officer - shortly before the action took place.On the other hand, most of the fugitives were captured - the Gestapo used search service and the help of Jewish "Greifer" collaborators.