Israel bombed at least four homes in Rafah on Wednesday, raising new fear among the more than a million Palestinians sheltering in the last refuge on the southern edge of the Gaza Strip that a long-threatened ground assault could be coming. One of the airstrikes killed 11 people from a single family, health officials said. Mussa Dhaheer, looking on from below as neighbours helped an emergency worker lower a victim in a black body bag from an upper storey, said he had awakened to the blast, kissed his terrified daughter, and rushed outside to find the destruction. His father, 75, and mother, 62…