"Our related agency has completed its investigation of the American journalists. It has formally decided to put them on trial based on confirmed criminal data," North Korea's state-run news agency, KCNA, reported.
The reporters detained are Laura Ling and Euna Lee who work for Current TV, a San Francisco-based media company founded by Al Gore, The New York Times reported.
They were arrested by the North Korean military on March 17 on the border between China and North Korea. They had been in China reporting on the North Korean refugees who were living in hiding in China.
This comes when the two countries are caught up amid high tension over the disapproval of North Korean rocket launch on April 5.