there was a press conference at which they confirmed hamas s agreement. israel has denied that it violated the terms of that crucial agreement. under the four day truce, 50 hostages were due to be released in four batches at the ratio of three to one, in exchange for 150 palestinians held in israeli jails. a delegation from qatar, which has been helping to mediate between israel and hamas, has visited israel to discuss a possible extension to the 4 day truce. i want to show these live pictures. the area where i am in central tel aviv, we are told that thousands of people have gathered here outside the tel aviv museum of art in an area that is now known as hostages square. not here to show support but many of the families as well of the hostages are here, too. we will hear from some of them are just a few minutes here on bbc news. they are gathering together to mark 15 days since their loved ones were taken. we will start our coverage this hour of this report from our senior i