Tian Tian is looking rather relaxed this morning, despite news that she may be about to give birth to the UK's first giant panda baby.
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An American service member and 20 South Koreans have tested positive.
Vice President Mike Pence has been put in charge of the domestic response to the virus.
The assailant was a 51-year-old Milwaukee man who died of a self-inflicted gunshot wound, police said.