Footage filmed by the Israeli military shows moments before the director of Kamal Adwan Hospital in northern Gaza was detained on Friday.
Hussam Abu Safiya's whereabouts are unknown.

The video also shows his efforts to move patients and hospital staff to safety.

Sami al-Arian, the director of the Center for Islam and Global Affairs at Istanbul Sabahittin Zaim University, says Israel has broken every rule and convention in the book regarding war zones.