The sisters of an Israeli woman kidnapped and killed by Hamas have described the “inhuman” conditions in which she was held captive, telling CNN they have been living “a nightmare” since her body was recovered by the Israeli military in an underground tunnel in Gaza.

Khaled Meshal, one of Hamas’s most senior officials, said in an interview that the militant group expects to play a decisive role in the enclave when the war is over.

Palestinian officials say Israeli airstrikes have killed 16 people in the Gaza Strip, including five women and four children