Thousands of Palestinians flee northern Gaza after Israel orders 1.1 million people to evacuate  ABC News'The noose around the civilian population in Gaza is tightening': UN aid chief criticises Israel's evacuation order  9NewsIsraeli troops make first ground raids, 1.1 million Gazans told to evacuate - prompting warnings of humanitarian disaster  7NEWSOpinion | Why Israel Must Reconsider Its Gaza Evacuation Order  The New York TimesPalestinians will not leave homeland again, says Hamas official  Al Jazeera English