Leaders of US, Japan, South Korea meet to on North Korea nuclear threat

The leaders of the United States, South Korea, and Japan showed unity against a nuclear North Korea and condemned the recent missile tests performed by the hermit kingdom during a trilateral meeting on the sidelines of the Global Nuclear Summit.
US President Barack Obama, South Korean President Park Geun-hye, and Japanese Prime Minister Shinzo Abe met and discussed North Korea’s actions at the global nuclear summit in Washington D.C.
They agreed to "take further steps" if North Korea continues the tests.
"We are united in our efforts to deter and defend against North Korean provocations," announced President Obama. "We recognize that our security is linked, that we have to work together to meet this challenge." Japanese Prime Minister Abe said this "trilateral security cooperation is essential to maintain peace and stability" in Asia.

Source: QNA