now as steve chow of al jazeera english reports, the government in seoul is taking some extraordinary steps to alert its young people about the problem. >> reporter: south korea is a nation obsessed with gaming. 17 million, the majority young men, packed internet dens like these nightly. and so it's here, the country's intelligence agency has come recruiting. this is a government game encouraging people to route out north korean operatives. >> translator: the game is really basic but i suppose it's important to learn about the threat. >> reporter: with south korea living under a state of heightened alert, the government is increasingly worried over enemy incursions. the fear, in the event of war, spies could launch terror-stylist attacks on the unsuspected population. he trained to be a spy in pong young's elite school of espionage before defecting. he since published a book on "the enemy within." >> translator: spies are a grave threat. to have infiltrated all levels of society. >> reporter: lee says they have made it even into the top ranks of south korea's military. and while the n

steve chow, al jazeera, seoul. >>> one other note from asia tonight, last week we reported how the government of malaysia often rounds up illegal immigrants from myanmar and sometimes sells them to human traffickers. well, today, authorities in malaysia announced that they have arrested five immigration officers for that very crime. >>> we want to return tonight to a story we brought you last week. that's thepid spread in britain of the h1n1 virus. the number of cases is now doubling every week. and a fierce debate has erupted about how to contain the disease. recommended some that some schools in session still be closed but government is resisting that, saying that it's too late. andrew thomas of itn reports. >> reporter: this is how most schools are at the moment. by next week all will empty for the school holidays. if the swine flu pandemic continues, should they stay closed into the autumn? of 130 schools that are temporarily closed to stop swine flu spreading, 113 have reopened. official government policy now against the mass closure of schools. but could that stall the pandemic? >> the

steve chow, al jeeraseoul. >>> one other noterom asia tonight, last week we reported how the government o malaysia often round up illegal immigrantsrom myanmar and sometimes sells tem to hman traffickers. well, today, authorities in malaya announced that they have arrestedive immigration officers for that very cme. >>> we want toeturn tonight to a story w brought you last week. that's thepid spread in britai of the n1 virus. the number of cases is now doubling every week. d a fierce debate has erupt about how to contain the disease. recommended some tat some schools in session stl be closed but governme is resisting that, ying that it's too lat andrew thomas of itreports. >> reporter: thiss how most schools are at the moment. by next week a wil ety for the school holida. if th swine flul. continues, should the stay closed into the autumn? 130 schools tha are temrarily closed to sop swine flu spreading, 113 have reopened official gornment policy now against the mass closure of scols. but could at stall the pandemic? >> the thing abou a pandemic is you have very lar numbe of people becomi