KOREA FOE CHARGES AERIAL VIOLATIONS OF TRUCE TALK ZONE; Peiping Reports Allied Fighter Crossed Region and Second Plane Dropped Leaflets CONFERENCES AT IMPASSE Communists Are Said to Insist on Armistice Line Now That Would Halt U. N. Attacks
enemy charges 3 UN planes violate Panmunjom area; does not charge attack within area; Communist newsman asserts UN fighter plane crossed rd near conf site and dropped leaflets; Peiping radio asserts UN liaison officers admit 1st incident and pledge disciplinary action; charges US tries to pressure negotiators; UN repr says some leaflets apparently blown into area; 19th meeting unproductive; Hodes explains UN stand; Communists insist on de facto cease-fire; 20th meeting