A 12-year-old girl has died in an apparent strike in Gaza weeks after she was interviewed on video by the Defense for Children International.

As the Israel-Hamas war passed the 100-day mark this week, Gaza continues to be devastated amid the conflict, with UNICEF describing the conditions there as "inhumane."

By Nasser Atta, Meredith Deliso and Samy Zayara

Following airstrikes on Nuseirat Camp, residents of the Palestinian refugee camp recalled to ABC News what they say was a "sudden" bombardment.

Israeli forces are now bombing areas in the Gaza Strip where civilians were told would be safe.

For many people in Gaza, leaving is now the only option.

Children in Gaza fly kites as military escalation looms. For these children, they said flying kites is a distraction from the reality of life in Rafah's tent city.

An infant died when a bombardment hit a village in Gaza last year but many online claimed that his death was staged.

Over a million people have fled to United Nations Relief and Works Agency shelters, the U.N. said. These shelters cannot cope with the influx.

ABC News visited a shelter school in Gaza run by the United Nations Relief and Works Agency for Palestine Refugees in the Near East.