 "Japan says Chinese ships in disputed waters")
Two Chinese coastguard ships sailed into disputed waters off Japan-administered islands in the East China Sea today, officials said, as the United States warned Beijing over increasing territorial assertiveness.
The Japanese coastguard said the vessels entered the 12-nautical-mile band of territorial waters around one of the Senkaku islands, which China also claims and calls the Diaoyus, around 10 am (0630 IST).
Chinese vessels and aircraft have regularly approached the East China Sea archipelago -- thought to harbour natural resources -- since Tokyo nationalised some of the islands in September 2012, setting off the latest spate of incidents in a long-running territorial dispute.
China is also locked in territorial disputes, in the South China Sea, which Beijing claims almost entirely.
There have been incidences of Vietnam and China ramming each other's vessels recently while in 2012 the Philippines lost control of rich fishing grounds after a tense standoff with China.
Brunei, Malaysia, the Philippines and Vietnam -- claim parts of the sea, with Manila and Hanoi being the most vocal in opposing China's claims. Taiwan is also a claimant.
At the annual Shangri-La Dialogue in Singapore today, US Defence Secretary Chuck Hagel accused China of "destabilising actions" in the South China Sea.
He also warned that Washington would not "look the other way" if international order is threatened.
The Japanese coastguard said the vessels entered the 12-nautical-mile band of territorial waters around one of the Senkaku islands, which China also claims and calls the Diaoyus, around 10 am (0630 IST).
Chinese vessels and aircraft have regularly approached the East China Sea archipelago -- thought to harbour natural resources -- since Tokyo nationalised some of the islands in September 2012, setting off the latest spate of incidents in a long-running territorial dispute.
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Today's incursion was the first of official Chinese vessels into the disputed waters since May 2 and the 12th this year.
China is also locked in territorial disputes, in the South China Sea, which Beijing claims almost entirely.
There have been incidences of Vietnam and China ramming each other's vessels recently while in 2012 the Philippines lost control of rich fishing grounds after a tense standoff with China.
Brunei, Malaysia, the Philippines and Vietnam -- claim parts of the sea, with Manila and Hanoi being the most vocal in opposing China's claims. Taiwan is also a claimant.
At the annual Shangri-La Dialogue in Singapore today, US Defence Secretary Chuck Hagel accused China of "destabilising actions" in the South China Sea.
He also warned that Washington would not "look the other way" if international order is threatened.