German Chancellor Angela Merkel is almost certain to be re-elected for an unprecedented third term as the federal elections are due to take place on Sunday.
Europe's most powerful woman is considered to be as popular as ever, but her centre-right majority is under threat from an anti-euro party and the Socialist Democratic Party of Germany.
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Missing RAF gunner Corrie McKeague's mother has said he had an account on a swingers' website.
"I will work with him where we can, but I just didn't want to go celebrate or legitimise or normalise his presidency," one US lawmaker said.
Former US President George H.W. Bush is in intensive care after suffering from pneumonia, as his wife is admitted as a precaution.