Human Rights Watch called for a war crimes investigation into a Feb 28 strike on a girls' school in southern Iran killing 160+ people, many children. Al Jazeera OSINT suggests US forces may be responsible; Trump blamed Iran; Sec. Hegseth declined to confirm. HRW: "Those responsible for an unlawful attack should be held to account." Strike occurred on day one of the US-Israeli campaign. Sources: HRW, Al Jazeera, The Guardian (Mar 8, 2026).