Yeela David, the sister of Gaza hostage Evyatar David, slammed Swedish activist Greta Thunberg on Tuesday for sharing a photo of her brother while claiming he is a “Palestinian hostage in an Israeli prison.”“You should make a research before you post things you don't understand about,” David commented on Thunberg's post and added, “In the 6th slide, you put a photo of an ISRAELI HOSTAGE who Hamas starved on purpose. This is Evyatar David.”She later also said, “Every minute you are not deleting