montblanc, the highest peak in western europe, attracts about 1000 climbers every summer. at peak times, 500 try to reach the summit everyday. >> now to lurking dangers in the web. the internet abounds with web sites geared at young people, many of them useful, fun, and informative, but what if they contain it -- hidden messages aimed at informing - or dangerous viewpoints? >> pages from far right groups are doing just that. we take a closer look. >> at first glance, they seem like perfectly harmless websites aimed at young people. there topics range from health to graffiti. sounds inoffensive, but it is all just a facade. these are right wing extremists internet pages designed to lure young people. the use issues such as environmental protection to the visitors and arouse curiosity. it has got youth advocates very worried. >> from individual articles or details, it becomes apparent that this is actually linked to far-right ideology, to these racially charged ideas of defending your own race. and here at the headquarters, internet monitors are performing a targeted search

. >> this beautiful area around montblanc is popular with casual tourists and serious climbers alike. it is dangerous, but this is the deadliest avalanche in the french alps in more than 10 years. the climbers who died today knew the risks they were taking, and the rescue team knew how hard it is for anyone to survive for long buried beneath the snow on one of europe's highest peaks. >> to the uk now where i just 15 days, the olympics will officially kick off in london -- in just 15 days. in recent days, it is the operation to carry out the security task which has raised concerns. the government in the u.k. has admitted that a private contractor may not be able to train enough security staff in time. gordon reports. >> in uniform, on duty, and at the games, the british military called on to fulfill a crucial security gap because a private contractor cannot deliver. >> g4s has let the country down, and we have literally had to send in the troops. >> when the government identified that the need was there, we acted to ensure that we covered that requirement so that we can ensure that we