Palestinians are fleeing in a mass exodus from northern Gaza after Israel’s military told one million people to evacuate. Hamas’ media office says warplanes struck cars fleeing south, killing more than 70 people, at the time of going to press. The Israeli military said it conducted temporary raids in Gaza to battle militants, but that did not appear to be the beginning of a ground invasion.

Relatives of Israelis abducted during Hamas militants’ attack last weekend pleaded with the UN for the world’s help in getting their loved ones home. Palestinians scrambled to flee northern Gaza on Saturday after the Israeli military ordered nearly half the population to evacuate south and carried out limited ground forays ahead of an expected land offensive a week after Hamas’ bloody, wide-ranging attack into Israel.