Indonesia jail
Indonesia executes 4 for drug trafficking
As many as 14 people were originally set to face the firing squad together on Friday.
The leaders of Australia and Brazil had made personal appeals for clemency for their citizens among the group.
The death penalties imposed on eight foreigners and an Indonesian have been condemned by the UN.
Indonesia has informed two Australians, one Nigerian and four other death-row drug convicts.
Security has been heightened on Friday at the prison island of Nusakambangan off the Javanese port of Cilacap.
Sheila von Wiese-Mack's body was found in a bloodied suitcase in a taxi in Bali last week.