Warning: This video contains distressing content. Israel's military says it's reviewing a claim by the Palestine Red Crescent Society (PRCS) that an Israeli attack on its headquarters in Khan Younis killed one of its staff and wounded three others. It comes after Benjamin Netanyahu accused Hamas of carrying out "systematic starvation" against Israeli captives after the militant group released a video of an emaciated hostage being held in a concrete tunnel. Read more: https://news.sky.com/story/