The prime ministers of Australia, New Zealand and Canada have called for a sustainable ceasefire in the Gaza Strip and an end to the “continuous suffering” of its citizens. “We are alarmed at the diminishing safe space for civilians in Gaza,” a joint statement released on Wednesday said, as the Israeli bombardment of Hamas militants in the enclave continued. “The price of defeating Hamas cannot be the continuous suffering of all Palestinian civilians.” Health authorities in the Hamas-run Gaza say the death toll from Israel’s offensive has passed 18,000. The Australian prime minister, Anthony Albanese, and his New Zealand and...