The Israeli military is pressing an offensive against the Palestinian Islamist movement in Gaza City, from which hundreds of thousands have been forced to flee in recent weeks. The civil defence agency -- a rescue force operating under Hamas authority -- reported at least 50 people killed across the territory since dawn, 30 of them in Gaza City. Israel's military said the air force had during the past day "struck over 140 targets throughout the Gaza Strip, including terrorists, tunnel shafts (and) military infrastructure". Media restrictions in the territory and difficulties in accessing many areas mean AFP is unable to independently verify the tolls or details provided by the civil defence or the Israeli military. AFP footage from Al-Shati refugee...