1.   Amnesty and Human Rights Watch say China is pressing its most concerted crackdown on dissent in a decade.

2.   Human rights groups say China is pressing its most concerted crackdown on dissent in a decade.

3.   After two years of wrangling with the United States over piracy, China started a concerted crackdown on abuses of intellectual property rights in early December.

4.   After two years on wrangling with the United States over piracy, China started a concerted crackdown on abuses of intellectual property rights in early December.

5.   The centre-right French coalition government has launched a concerted crackdown on immigration, including tightened nationality laws, since sweeping to power last year.