good morning. it is october the 10th. israel s prime minister, benjamin netanyahu, has warned his country will use enormous force against the hamas militant group as the conflict enters its fourth day. it comes as israel s defence minister ordered a complete siege of the gaza strip, cutting off food, electricity and water supplies. almost 690 people have lost their lives on the palestinian side while around 900 people have now died in israel. hamas insurgants are now threatening to start killing hostages, if israel carries out more strikes without warning. 0ur international editor jeremy bowen reports. inside gaza, it looks every bit as if palestinians are feeling the full force of israeli military power. israel says hamas is responsible for the suffering of gaza s civilians. and its retaliation for the hamas attacks has onlyjust begun. hamas has threatened to start killing its israeli hostages. the air strikes rolled on, hour after hour. palestinian armed groups, und