 Haganah men from the Palmach and SHAI abducted Irgun members to hand over the British.The Haganah and Jewish Agency also passed extensive intelligence on the Irgun to the British authorities, who were able to make numerous arrests and discover Irgun safehouses and arms caches.More than 1,000 Irgun members were handed over to the British by the Haganah during the Saison.