A US court has ordered the release of a Russian woman detained at a military base.

On April 3, a court in the United States ordered the release of Natalia Dudina, a second Russian citizen, who was detained in January at the Camp Pendleton American military base.

"The court decides to immediately release Natalia Dudina under the same conditions under which she was released under immigration control upon her first entry into the United States," RIA Novosti quoted the court as saying.

The news is being updated