At least three Palestinians were killed and more than 20 others injured in a major Israeli air strike targeting a residential building in one of Gaza City's busiest market areas, local medics and witnesses said. The strike hit the upper three floors of the al-Kayali building in the centre of Gaza City, where streets were busy with shoppers ahead of the Muslim holiday Eid al-Adha. Israeli Prime Minister Benjamin Netanyahu's office earlier said the Israeli military had targeted Hamas's armed wing