A US soldier convicted of rape and murder in an attack on an Iraqi teenager and her family has been sentenced to 110 years in prison.

A US soldier has been sentenced to 100 years in prison for the gang rape and murder of an Iraqi girl and the killing of her family last year.

A US Army soldier today pleaded guilty and agreed to testify against three other soldiers and a former private charged in the rape-murder of a 14-year-old Iraqi girl and killing of three members of her family.