The Israeli army told residents of several neighbourhoods in the northern part of Gaza to flee on Friday, ahead of a new military operation following repeated rocket attacks. People should go to shelters west of the city of Gaza, according to an appeal issued by an Israel Defense Forces (IDF) spokesman in Arabic. Amid ongoing shelling from the area, the IDF plans to take action against the Palestinian Islamist Hamas and other terrorist organisations there. Aid organizations are increasingly critical of the IDF’s repeated calls for civilians in the Gaza Strip to flee. “The constant evacuation o…