Evan Agostini/AP
- Gigi and Bella Hadid donated $1 million to aid groups supporting Palestinians in Gaza.
- The groups included Heal Palestine, Palestine Children's Relief Fund, and World Central Kitchen.
- It comes as violence in Gaza continues and Israelis stage protests calling for hostage releases.
Supermodels Gigi and Bella Hadid have donated a combined $1 million to aid groups supporting Palestinians in the Gaza Strip, Bella Hadid's agent has said.