Gaza Biennale protest outside London's ICA highlights Palestinian art and resistance / Istanbul rally set to salute Gaza resistance against Israel / 'Vindicated': Columbia University's Gaza protesters react as Shafik resigns / 'We won't stop': How Columbia's students etched a new Gaza protest legacy / Keys to lost homes in Gaza become symbol of Palestinian resistance / Palestinians cling to life in Rafah as Israel threatens Gaza's last refuge / Who is Handala, the barefoot, spiky-haired boy who symbolizes Palestinian resistance? / Osama Hamdan of Hamas praises Gaza's resistance against Israeli aggression, criticises Netanyahu / Gaza's Palestinian athletes find resilience in parkour