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At a meeting of the heads of IPR administrations in January, SAMR Chief Zhang Mao said IPR had played an increasingly prominent role in the country's economic and social development.

At least two adults were killed and two persons, possibly students, were struck by gunfire in a classroom shooting on Monday at a Southern California elementary school, police and fire officials said.

At a news briefing at the Pentagon on Feb 2, Anita Freidt, deputy assistant secretary in the Bureau of Arms Control, Verification, and Compliance of the US State Department, said, "We've long sought to have dialog with China to -- specifically to discuss and enhance our understanding of nuclear weapon issues, to help manage the risk of miscalculation, misperceptions."

Aside from metals, the new Shanghai warehouse will house cocoa beans, which Chinese traders typically buy from African countries including Ghana and Nigeria.

At Tse's two hospitals, doctors from the mainland, Hong Kong and Taiwan are working together to combat the outbreak.