China has sent patrol ships to "assert its sovereignty" over islands at the centre of a row with Japan, which says it now owns the disputed territory.
Police in China have beaten and detained political activists marking the 23rd anniversary of the brutal crackdown of the Tiananmen democracy protests.
Blind legal activist Chen Guangcheng will escape Chinese persecution if he leaves for the US but will find life tough life abroad, current exiles say.
China says sanctions will not "fundamentally solve" the Iranian nuclear issue and urged further dialogue to resolve an ongoing impasse.
Torrential rains battering south and central China have left 175 people dead and forced the evacuation of 1,7-million.
Rescue workers dug through piles of rubble on Thursday searching for survivors of a devastating quake in China which killed over 600 people.
A new railway line being built as part of an upgrade ahead of the Beijing Olympics was a factor in a train crash that left 71 people dead in east China, officials and state press said on Wednesday. The pre-dawn crash near Zibo city on Monday, which also left more than 400 people injured, was the most severe in China in more than 10 years.
Chinese authorities on Tuesday blamed excessive speed for the nation's worst train crash in more than a decade, amid fears the death toll would climb past 70. After the line to the seaside town of Qingdao was quickly reopened, the official Xinhua news agency cited an investigation panel as saying "high speed" caused the accident.
China has announced new rules to control the explosion of audio-visual content on the internet, in a move seen as an effort to transfer the government's television- and radio-censorship model to websites. Only state-controlled entities will have the right to operate websites that post audio-visual material under the new regulations.
At least 40 people were killed and 74 others trapped underground after an explosion at a coal mine in northern China on Thursday, with a group of rescuers among the missing, officials said. The gas blast occurred just after midnight at a mine in Linfen city, a coal-rich area in Shanxi province, the state administration of mine safety said.
Asia's space race heated up on Wednesday as China launched its first lunar orbiter, an event hailed in the world's most populous nation as a milestone event in its global rise. China's year-long expedition kicks off a programme that aims to land an unmanned rover on the moon's surface by 2012 and put a man on the moon by about 2020.