At least five prisoners who supported Islamic State were killed after attacking guards with knives and trying to break out of a jail in Tajikistan, a law enforcement source said.

At least five prisoners who supported Islamic State were killed after attacking guards with knives and trying to break out of a jail in Tajikistan, a law enforcement source said.

At least five prisoners were killed and three employees were injured in a riot spurred by an attempted escape from a prison in the Tajikistan city of Vahdat, two sources in the country's security agencies told Reuters on Tuesday.