NEW : Israel responds with artillery to rocket fired from Lebanon . At least 91 Palestinians have been killed since Monday , officials say . ` It is imperative not only to restore calm today , but to establish a political horizon for tomorrow , '' he said . Score: 7 Gaza resident says if there is a ground offensive ' I have nowhere to go '
NEW : Israel responds with artillery to rocket fired from Lebanon . At least 91 Palestinians have been killed since Monday , officials say . Score: 7 Gaza resident says if there is a ground offensive ' I have nowhere to go '