Dr Hussam Abu Safiya is being held on suspicion of "involvement in terrorist activities", Israel has said, and accused him of "holding a rank" in Hamas. They have not disclosed his whereabouts and human rights groups have raised concerns for his wellbeing.

Many of those being treated or seeking shelter at the two hospitals came from the destroyed Kamal Adwan Hospital.

The hospital director was detained during an Israeli raid last Friday Israel has confirmed it is holding Gaza hospital director Dr Hussam Abu Safiya after earlier telling a local NGO that it was unaware of his case,