The Vanuatu government is investigating users of fake Facebook IDs.
This comes after a person using a fake ID had abused the prime minister.
Our correspondent said the Government Chief Information Officer is now investigating fake Facebook IDs..
The prime minister's spokesman, Hilaire Bule, said people who make comments on Facebook are in breach of the country's laws will be prosecuted.
A lot of people with fake IDs on Facebook often target leaders with their frustrations and concerns.
During the Pacific ICT Days this year, Prime Minister Charlot Salwai said the use of ICT makes a lot people forget about their Melanesian values such as respect when they hide behind fake IDs.