Joseph Kay: Save The Children team leader on the emotional and physical toll of deaths six months into the Gaza conflict - The Sunday Session with Francesca Rudkin

Enormous frustration among aid agencies six months into the war on Gaza.

More than 30,000 Palestinian people, including 13,000 children, have been killed since the war began.

Save the Children's Joseph Kay says aid agencies still face heavy restrictions from Israel.

He says the numerous deaths of aid workers, including seven World Central Kitchen staff this week, has taken a toll.

"This terrible tragedy does highlight that nowhere is safe in Gaza."

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