Source:
BBCThe US will impose new sanctions on North Korea, following the crisis over the sinking of a South Korean warship.
The move was announced by Secretary of State Hillary Clinton during a visit to South Korea.
She said the measures would target Pyongyang's sale and purchase of arms and import of luxury goods, and would help prevent nuclear proliferation.
China has expressed concern over joint US-South Korean naval exercises, saying they could increase tensions.
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http://www.bbc.co.uk/news/world-asia-pacific-10710296