IDF video shows ‘horrific conditions’ of tunnel where 6 hostages were held, executed The Times of IsraelBefore Being Killed, Israeli Hostages Held in Tiny Tunnel With Bottles for a Bathroom The Wall Street JournalIsrael releases video of a Gaza tunnel where it says Hamas militants killed 6 hostages The Associated PressIsraeli Military Reveals Brutal Conditions 6 Hostages Endured in a Gaza Tunnel The New York Times