Palestinian officials say at least 45 Gazans have been killed and more than 390 wounded since Israel launched its aerial campaign on Wednesday.<br /><br />On Saturday, 15 Palestinians were killed and the Hamas government headquarters was destroyed, as Israel intensified its assault on Gaza.<br /><br />As the toll rises and sirens sounded in Tel Aviv for a fourth day, Israel says it has deployed more tanks to the border and called up thousands more reservists as fears of a ground offensive increase.<br /><br />Meanwhile, an emergency session of the Arab League has ended with calls for a fresh approach to end the crisis between the Palestinians and Israelis.<br /><br />Al Jazeera's Jacky Rowland reports from Gaza, where ordinary civilians are paying the price for this latest round of fighting.
