security at sharm elshake airport, in particular that screening of hold luggage. you re talking about the checked luggage, yeah, kier? sorry. reporter: that s right. you re using the british term, the checked luggage that goes under the plane? reporter: correct. exactly. the checked luggage. the luggage that people check into a flight, don t carry with them. you ll only be allowed to bring their carry on luggage with them on the flight. at the same time, the british making clear that this was a bomb, this is what the british prime minister had to say a little earlier today. look, we cannot be certain that the russian airliner was brought down by a terrorist bonl, but it looks increasingly likely that that was the case. i act on the intelligence. reporter: at the same time now we ve seen the diplomatic tectonic plates rubbing together. let me list for you the different things that have been said. the chairman of the senate