Chinese police have arrested and escorted back to China 37 Chinese nationals from the south-western African country of Angola, where they had engaged in organised crimes mainly targeting other Chinese citizens, such as kidnapping, armed robbery, extortion and forcing women into prostitution.
China's Ministry of Public Security said that, in the first operation of its kind, Beijing sent a special police force to Angola, which worked with local police to smash 12 Chinese gangs, resolve 48 criminal cases and rescue 14 Chinese victims.
Concurrently, domestic police arrested another 24 suspects involved in the cases, the ministry said.
Such crimes are a major concern for China, which has emerged as Africa's main trading partner and a major source of investment for infrastructure.
Chinese officials announced last month that 2,000 Chinese companies now have dealings in Africa, with investments totaling $14.7 billion (£9.2 billion)- an increase of 60 per cent in two years.
China Police, an online news site run by the ministry, said that to protect themselves Chinese businessmen in Angola hired bodyguards, purchased bulletproof vehicles, built homes that were difficult to access and disguised themselves when they went out.
Out of fear, many Chinese businesses have closed down in the country's capital of Luanda and elsewhere.
Olympic champion Jiao Liuyang, 21, who won the women's 200m butterfly event at the London Games this year, is the youngest delegate to be chosen for the 18th National Congress of the Communist Party of China (CPC) among the 2,200 names that were announced this month.
The congress is expected to be held in October.
More than 93 per cent of the delegates have higher-education qualifications, and their average age is 52. There also 26 migrant workers, representing a rapidly growing sector of the Chinese working class.
According to the CPC's organisation department, there was a greater number of candidates to choose from for this congress - 115 for every 100 delegates.
The CPC congress is held once every five years, and usually signals a top leadership change.
A spate of attacks on doctors by patients - in several cases resulting in deaths of the former - signals that China's once-admirable health care system is in crisis.
Despite an injection of $240 billion (£151 billion) into this sector by the government, hospitals are overcrowded and doctors underpaid.
Trying to pay their own way has become a crushing burden on hospitals and their staff, as it has in the education sector, resulting in corruption and the selling of treatment to the highest bidder.
The government's rush to solve the problem by means of a rapid expansion of its medical insurance scheme may have made the situation worse. "Part of the violence against health workers is because people don't know the limitations of medicine and medical care, and they expect that if they pay the cure will come," said Sarah Barber, a health expert at the World Health Organisation's office in China.
"I think you have a gap between the expectations and what can realistically be achieved."
A man in Jilin Province made his own artificial arms after losing his original ones in a "fishing-related explosion," according to a local newspaper.
The hospital that treated him after the accident recommended a set of factory-made limbs which the 51-year-old considered too expensive, so he made his own.
He says that the steel is heavy, and is too cold in the winter and too hot in the summer. But otherwise they are as good as the factory-made ones.
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