cnn's john vass is in gaza city trying to make sense of it all for us. john? >> miguel, the longer this goes on, the more it seems positions harden on both sides. now hamas continues to fire the rockets from gaza into israel, 13 we're told at least in the last 13 hours, averaging one an hour, despite the massive israeli military operation which we did hear from the israeli prime minister saturday night it is entering a new phase, some of the tanks and troops are redeploying closer to the border, an indication they're close to finishing, finding and destroying what they know of the hamas tunnel network that was essentially the object of the ground operation that we saw over the last week or so. despite this new phase, the israeli artillery and tank fire continues. number of targets have been hit in gaza city including a market in the last couple of hours, but there also seems to be intense fighting in the southern part of the gaza strip around the town of rfah, ever since this cease-fire unraveled on friday. palestinian officials say more than 100 people died o