The Israeli military said Sunday that it had begun "extensive ground operations" throughout Gaza. Israel aims to eliminate Hamas and free the remaining hostages. But there's growing international concern over the scale of the humanitarian crisis in Gaza. Palestinian health officials say more than a hundred people were killed in overnight attacks. 00:00 Israel announces start of new ground operation in Gaza 03:29 Ahmed Bayram, Norwegian Refugee Council For more news go to: http://www.dw.com/en/