China has urged all parties to stop "provocative actions" and maintain calm and restraint to prevent tension from escalating on the Korean Peninsula.
All sides must cease provocations to maintain peace and stability in the peninsula, Foreign Ministry spokesperson Hong Lei told a daily press briefing on Thursday.
Google's computer program AlphaGo on Thursday beat South Korean Lee Sedol, raising its lead to 2-0 in the second of a historic five-game match.
China has expressed concern about a report that the US is in talks to base long-range bombers in Australia.
The DPRK fired two short-range ballistic missiles into its eastern waters in an apparent show of force against joint annual war games between Seoul and Washington.
Tokyo must not "flare up tension in the South China Sea" or try to contain China by aligning with other parties involved in disputes there.
Tokyo should not take China as an excuse for pushing approval of its new security bills, and China is concerned the bills will potentially impact its security interests after they take effect later this month.
Japan still has a problem in viewing China's development, and it should "tweak its thinking", Chinese Ambassador to Japan Cheng Yonghua said in an interview.
Tokyo must not "flare up tension in the South China Sea" or try to contain China by aligning with other countries involved in disputes there.
The military has been called in to help capture an armed person who shot and wounded four police officers in an incident in the Bay of Plenty, on the east of New Zealand's North Island.
Southeast Asia experiences rare total solar eclipse
The first game of the five-game match started at about 1 pm local time (0400 GMT) at Four Seasons hotel in central Seoul.