But dialogue on Korean peninsula security, including the issue of military exercises, could help prevent further misunderstanding and miscalculation.

BBC: Viewpoint: What is driving North Korea's threats?

"The problem is that you can stake the claim, you can initiate measures and policies but there is that potential of misunderstanding, miscalculation that could lead to major tension and major incidents, " he added.

BBC: File photo: Surin Pitsuwan