hello again, everyone. i m fredricka whitfield in atlanta. we re watching breaking news unfolding in the middle east. we re told a convoy of egyptian ambulances and a bus are moving toward the gaza sild ode of the rafah border krogcrossing. the exchange could happen at any moment now. we re standing by for word from the red cross that the transfer has, indeed, happened. and this latest movement follows intense hours long delay in the hostage exchange. hamas says it disputed the amount of aid being delivered to gaza and the selection of the 39 palestinian prisoners set to be released by israel as part of this brief four-day truce. wolf blitzer is joining us now from tel aviv. wolf. reporter: thanks very much, fred, we re watching all of these major developments unfold. cnn of course as a team covering all of the late breaking developments. matthew chance is with me in tel aviv. there s a lot of work that still needs to be done. there s some indication that things are beginni