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US arrests four 'Chinese spies' US arrests four 'Chinese spies'
(20 minutes later)
Four people have been arrested in the United States in two separate cases of allegedly passing secret information to China. Four people have been arrested in the United States for allegedly passing secret defence information to China.
A former Boeing engineer is said to have given China information about the space shuttle and other aerospace programmes, the justice department says. A 72-year-old former Boeing engineer is accused of giving China details about the space shuttle and other aerospace programmes.
In the second case, three people are accused of turning over defence department documents. In a separate case, three people are accused of turning over defence department documents.
A FBI spokesman said the arrests showed it was committed to protecting US assets "from foreign thievery".
Chinese-born Dongfan "Greg" Chung, 72, of California, faces charges including eight counts of economic espionage, conspiracy, and making false statements to FBI investigators.
Mr Chung, a naturalised US citizen, worked at Rockwell International and Boeing on the space shuttle programme.
He retired in 2002 but was working for Boeing as a contractor until 2006.
The US justice department says the charges claim he took Boeing trade secrets relating to the space shuttle, the C-17 military transport aircraft and the Delta IV rocket for the benefit of China.