Authorities in Eritrea have arrested two Eritrean employees of the U.S. Embassy.
The minister of information was quoted by Reuters news agency as saying the two employees had engaged in human trafficking.
Officials at the U.S. Embassy have not yet commented on the arrests.
Two other Eritrean employees of the U.S. Embassy were arrested in 2001. They remain held without charge.
Some information for this story provided by AP and Reuters.