Content Warning: Graphic ImageryThe UK has called on Israel to "immediately investigate" the death of a British aid worker in an air strike in Gaza.The Prime Minister said he was "shocked and saddened" by reports that seven World Central Kitchen aid workers, including a British national, were killed in Gaza on Monday night.

Content Warning: Graphic ImageryThe UK has called on Israel to "immediately investigate" the death of a British aid worker in an air strike in Gaza.The Prime Minister said he was "shocked and saddened" by reports that seven World Central Kitchen aid workers, including a British national, were killed in Gaza on Monday night.