VIENTIANE: On Tuesday the president of United States, Barack Obama warned North Korea that, the country was deepening the international isolation following the missile tests which were hailed by the leader of the reclusive state. Obama recently spoke with Park Geun – hye, who is the president of South Korea, in a meeting on Monday. After meeting Park in Vientaine, Obama told the reporters that, North Korea needs to know that the provocations would only invite more pressure and further deepen its isolation. Park, the president of South Korea, said that, the launches result in reckless provocation that would lead North Korea down the path of self-destruction.