against either country. north korea s leader called the agreement a new high level of alliance, sparking concerns in western countries. but the full details of the pact and its consequences remain unclear. following the deal between the two nuclear powers, nato secretary general jens stoltenberg said: on the other side of the dmz, some south koreans say they re worried about how this new agreement could affect their safety. translation: we re still- a divided country, and war can happen at any time. under the circumstances, if north korea and russia have closer ties, it would have a negative impact on our country as russia can give military cooperation to the north when war occurs. translation: i m worried what if war breaks out - as putin and north korea are having a such close relationship. north korea recently sent off rubbish balloons and north korean soldiers crossed into the border often. let s get the latest on this trip. we can speak to our china correspondent laura