Relatives meet with UN human rights chief Volker Turk, and vice-president of the International Committee of the Red Cross Gilles Carbonnier

Addressing southern residents, defense minister says only interest is return of captives; balloons spark series of fires in southern Israel

Palestinian sources quoted saying reported proposal doesn't meet terror group's core demands and that it wants a deal but 'not at all costs'

Terror group yet to respond to outline, which was conveyed to it via a third party several weeks ago, report says