close quarter combat has seen fierce fighting with gunmen as they target outposts, headquarters and other hamas infrastructure. with the fighting intensifying there s been strongly worded criticism of the humanitarian situation emerging from the united nations. seven human rights experts have said that they believe that the palestinian people in gaza are at grave risk of genocide , and that time is running out to prevent this. israel accused them of repeating hamas propaganda. meanwhile the us secretary of state, antony blinken, is back in israel for his second visit to the region since the war began. he plans to talk to israeli officials about how to pursue their military and security goals in gaza while limiting civilian casualties. and people across the region are waiting to hear from the leader of the lebanese islamist group, hezbollah. his speech in the comming hours will be closely watched, and could have huge consiquences for the conflict. our gaza correspondent rushdi