i'm brian thomas critelli with us today north korea has blown up a joint lives own office near the border between the 2 countries the office seen here when it was 1st opened in 20 teen handles inter korean relations situated in the town of case song that's just north of the border the explosion comes as tensions between the 2 sides escalate escalate over a leaflet in campaign pyongyang has sharply condemned souls failure to stop activists from air dropping propaganda over the border into the north. let's get up to date on this breaking news story with correspondent frank smyth in the souls in seoul south south korea's capital good day to you frank can you phil's on on the latest on what sparked this incident. well this was sparked by north korea again harshly criticizing the south korean government for its failure failure to rein in this leafleting campaign massive balloons sending leaflets into north korea that you mentioned by a couple of n.g.o.s here one led by. who i've interviewed on numerous occasions about his activities north korea views this as a violation of the $28000.00 deal t