Israeli forces intensified their attacks across the Gaza Strip overnight, killing at least 15 people in a strike on a Gaza City sports centre, according to local media.
The sports centre sheltered scores of displaced Palestinians seeking refuge from Israel's indiscriminate military onslaught.
Eight civilians were also killed overnight in Israeli strikes targeting the home of the Aliwa family in Shujayah, east of Gaza City, the Palestinian news agency Wafa reported.
Five others were also killed in Israeli airstrikes that targeted civilian homes west of Nuseirat refugee camp in the centre of the territory.
Israeli forces also continued attacks in and around Gaza City’s al-Shifa Hospital, and claimed to have killed more Palestinian fighters.
The Israeli attacks happened as Prime Minister Benjamin Netanyahu gave the go-ahead for a new round of talks on a Gaza ceasefire, a day after the International Court of Justice ordered Israel to ensure aid reaches desperate Palestinians at risk of famine.
Netanyahu's office said new talks on a Gaza ceasefire and hostage release will take place in Doha and Cairo "in the coming days with guidelines for moving forward in the negotiations".
Those talks had appeared deadlocked in recent days despite a major push by the United States and fellow mediators Egypt and Qatar to secure a truce in time for the holy Muslim fasting month of Ramadan, now more than half way through.