Ghana's President John Atta Mills has died after falling ill, his office has said in a statement.
A statement said the 68-year-old died a few hours after being taken ill, but did not give details.
"It is with a heavy heart...that we announce the sudden and untimely death of the president of the Republic of Ghana," the statement said.
Mr Atta Mills has ruled the west African country since 2009. He had been suffering from throat cancer.