Yael Bossem-Levy, a spokeswoman for Hadassah Hospital in Jerusalem, said Abir Aramin, 10, was declared clinically dead Thursday and taken off life support early Friday morning.
Aramin was hit in the head and critically wounded by a stun grenade thrown by Israeli security personnel during a demonstration against Israel's separation barrier in the West Bank town of Anata, near Jerusalem, on Tuesday.
Her father, Bassam Aramin, 37, was among the founders of Combatants for Peace, a group of former Israeli and Palestinian fighters who work for a peaceful solution to the conflict. The family was unavailable for comment, reports AP.
Israeli police spokesman Moshe Fintzy said police have opened an investigation into the girl's death.
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