Fatima Nazha slept on the streets for two days after she and her family fled their home in Beirut’s southern suburbs following an Israeli mass evacuation order. All of the schools the government turned into shelters were full, and the family could not afford a hotel or a flat, so she and her husband eventually moved into a tent in the country’s biggest stadium while their children and grandchildren found shelter near the southern coastal city of Sidon. In just 10 days, more than 800,000 people...