Bosnia's 'Iron Lady' in hospital

The nature of Plavsic's complaint has not been revealed

Former Bosnian Serb president Biljana Plavsic - jailed for war crimes - has been taken to hospital.

Seventy-two-year-old Plavsic was undergoing tests after being moved from prison on Monday night, officials said.

She was jailed for 11 years for crimes against humanity during the Bosnian war, and is serving her sentence in Sweden's high-security Hinseberg jail west of Stockholm.

She is not being operated on. She is there to have some tests Leif Boman Regional prison chief

"We brought her in for an examination and now the medical experts have taken over," said Benny Andersson, deputy head of Sweden's Prison and Probation Service.

Regional prison chief Leif Boman said Plavsic's condition was not life-threatening.

"She is not being operated on. She is there to have some tests," Mr Boman told Reuters news agency.

"In our prison service it is standard that when a prisoner needs to see a doctor, she must go to hospital."

Plavsic is not being required to do prison work because of her age, said a guard, and has been spending her time reading and writing.

Facilities at Hinseberg include a sauna and horse-riding paddock.

Some survivors of the war have expressed anger that she is serving her sentence with such a high level of jail facilities.

Ethnic cleansing

Plavsic admitted promoting hatred against non-Serbs during the Bosnian war.

The judge at her trial said she had embraced and promoted the campaign of ethnic cleansing which led to the mistreatment, rape, torture and murder of Bosnians.

Formerly known as Bosnia's "Iron Lady", Plavsic surrendered to the United Nations tribunal in The Hague in January 2001.

She is the highest-ranking official involved in the conflict to be sentenced.