Russia cast doubt on the long-term future of the international space station, a showcase of post-cold war cooperation, as it retaliated on Tuesday against US sanctions over Ukraine.

The country's deputy prime minister, Dmitry Rogozin, said Moscow would reject a US request to prolong the station's use beyond 2020, and ban Washington from using Russian-made rocket engines to launch military satellites.

• The first Russian motherboard based on ARM-processor Baikal-M