Foreign Minister Yang Jiechi also made "solemn representations" to North Korea's ambassador to China.

BBC: China media: Pyongyang pressure

According to China's Foreign Minister Yang Jiechi, China's trade with Asian countries is now more than its trade with the US and Europe.

BBC: Can Asian economies fuel Asia's growth?

On Monday, U.S. Secretary of State John Kerry discussed North Korea's "continued provocative rhetoric" in a phone call with China's Foreign Minister Yang Jiechi.

NPR: Obama Calls NKorea Nuke Test 'Highly Provocative'

Newspapers report on talks between Chinese Foreign Minister Yang Jiechi and US Secretary of State Hillary Clinton in Phnom Penh, as tension over the South China Sea disputes continues.

BBC: China morning round-up: A US-China stand-off

Clinton, both in meetings with Mr. Dai and with Chinese Foreign Minister Yang Jiechi, offered to host a trilateral meeting with China and Japan to address the islands dispute, as well as broader security and economic issues.

WSJ: Clinton Presses China to Do More to Restrain North Korea

On Saturday, China's foreign minister, Yang Jiechi, called for cooperation on cybersecurity and said that China is a victim of cyberattacks.

WSJ: U.S. Official Cites Cyberattack Risks

In mid-July South-East Asian foreign ministers, as well as America's secretary of state, Hillary Clinton, and China's foreign minister, Yang Jiechi, will discuss regional security in the Cambodian capital, Phnom Penh.

ECONOMIST: The South China Sea

Although the president reiterated his firm stance on North Korea, South Korean Unification Minister Hyun In Taek met with North Korean unity leader Kim Yang Gon on Saturday.

CNN: Two Koreas to discuss reunions for split families