Electricity shortages have been bringing more pain to East China as the mercury has climbed during the past week.
The third such incident since Sunday cast doubts on the reliability of the Beijing-Shanghai high-speed rail.
More than 30 bullet trains were brought to a halt by a power failure on the Beijing-Shanghai high-speed railway on Tuesday.
China's foreign exchange reserves rose by a faster-than-expected 30.3 percent year-on-year by the end of June to reach $3.2 trillion, a possible indicator of an increasing inflow of "hot money", analysts said.
Control system failure at oilfield blamed for third leak since June
Officials have hailed the country's improvements in curbing forced confessions as examples of the country's achievements in protecting human rights.
China is the last permanent member of the United Nations Security Council to get an aircraft carrier.
Just five days after a boy was killed in a Beijing subway crush, at least two passengers were hurt in a similar incident at Shenzhen Metro Line 4's exit on Sunday night.
It is possible that small oil spills are continuing at the Penglai 19-3 oilfield, according to satellite images from Sunday.
A major shift in China's family planning policy will result in a greater focus on population management than on quantity control.
E-commerce may lose its competitive edge, report Yang Wanli and Chen Limin in Beijing.
Gay and bisexual men account for around one in every three new cases of HIV in China, according to the latest official statistics.