israel has been striking the densely populated refugee camp for days, prompting international outcry. jeremy bowen has the latest. tank rumbles. tonight, israel says it has surrounded gaza city. an army statement said that soldiers were attacking hamas positions. explosion. gunfire. ..places where it launches rockets, and killing terrorists. israel has increased the tempo of its ground war in gaza. the army said its soldiers needed to be resilient is the coming weeks, and a ceasefire was not on the table. the troops have been visited by israel s prime minister benjamin netanyahu. translation: icall- on the uninvolved, get out - get out, move south because we will not quit our efforts to eliminate the hamas terrorists. we will advance, we will advance and win. hamas has released its own video, it said, of an attack against an israeli tank in the zeitoun area east of gaza city. hamas said it would make gaza a cursed place for israel, and send more of its troops home in body b