Moscow  - Three crew members of the International Space Station (ISS) returned safely to earth on Saturday, the Interfax agency reported.

The three - South Korean scientist Yi So Yeon, US astronaut Peggy Whitson and Russian cosmonaut Yuri Malentchenko - landed in Kazakhstan at 0951 GMT in a Soyuz capsule, the mission control centre in Moscow said.

The capsule had undocked from the ISS at 0806 GMT for the return journey. (dpa)