Fighting raged Saturday across Gaza, where displaced Palestinians said they were “exhausted” with no end in sight to the war in the besieged territory’s waged by Israel, now in its 13th week. Smoke billowed over the Gaza Strip’s southern city of Khan Younis, the focus of recent fighting in the grinding war, which was triggered by Hamas attacks on Israel on October 7. Further south, the border city of Rafah near Egypt was teeming with Gazans seeking safety from Israel’s relentless bombardment in its fight against Palestinian militants. “Enough with this war! We are totally exhausted,” said Umm …