One of Australia’s longest held kidnap victims has backed the imposition of news blackouts in kidnappings despite growing calls in Britain and the United States for them to be reviewed.

Warren Rodwell, an adventurer and teacher held for 472 days in the southern Philippines, says news blackouts should be routinely imposed for one to three months, including for captives of the Islamic State, which has released videos of the beheadings of its hostages.

Read more from Lindsay Murdoch in The Age.