The Israeli army said Tuesday that its troops were engaged in ground combat « in the heart of Khan Younis », the Gaza Strip’s second-largest city, as it expands operations in its war on Hamas. The expansion of the Israeli offensive deeper into the refugee-packed southern districts of the besieged enclave where displaced Gazans have fled sparked a UN warning that “no place is safe in Gaza”. Follow our live blog for all the latest developments. All times are Paris time (GMT+1).