Jimmy Carter, former US president, reveals he has cancer

Former US President Jimmy Carter says recent liver surgery revealed that he has cancer and it has spread to other parts of his body.
The 90-year-old statesman underwent surgery to remove a small mass in his liver earlier this month.
He said he would reveal more "when facts are known, possibly next week".
Mr Carter will undergo treatment by physicians at Emory Healthcare in Atlanta.
President Barack Obama wished Mr Carter "a full and fast recovery" in a statement released on Wednesday.
"Jimmy, you're as resilient as they come, and along with the rest of America, we are rooting for you," Mr Obama said.
Leaving the White House in 1981, he has remained active carrying out humanitarian efforts with his Carter Center in recent years.
He founded the centre, which focuses on human-rights efforts and political mediation, soon after he left office.
He was later responsible for negotiating a 1994 nuclear disarmament pact with North Korea and has visited Syrian President Bashar al-Assad in recent years.
A Democrat from Georgia, Mr Carter was elected president in 1976.
Mr Carter monitors an election in Panama in 1994
Mr Carter monitors an election in Panama in 1994
He won the Nobel Peace prize in 2002 for his commitment to finding peaceful solutions to international conflicts, his work with human rights and democracy initiatives and his promotion of economic and social programmes.