but the us secretary of state is en route to the middle east as the pressure mounts on the white house to limit civilian casualties. we will hear tonight from the rafah border, where another 400 foreign nationals have crossed into egypt today. and we will get the thoughts of the qataris who are playing an important role in the backchannel negotiations with hamas. later in the programme, we will assess the widespread damage caused by storm ciaran across southern england and the channel islands. and a first outing tonight for our new segment ai decoded, at the end of a two day summit at bletchley park at which 28 countries pledged to collaborate on safety. welcome to the programme. the israeli army says it has now completely encircled gaza city, as the prime minister, benjamin netanyahu, said the height of battle had been reached. the army says it is beginning the work to dismantle the series of hamas tunnels. the prime minister said he will reject all calls for a cease fire.