Iowa's six electoral college votes have gone to Barack Obama, according to NBC News projections.
The President now leads Mitt Romney by 249 to 203, with Florida and Ohio yet to be called.
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Stars appeared in black as they called for an end to harrassment at the UK's film awards night.
The family of Alfie Dingley, 6, have been refused permission to legally use the drug to help control his seizures.
Part of the message read: “I don’t give a s**t if the whole street collapses”.