Astronauts board SpaceX rocket before launch

Four astronauts have boarded the Dragon space capsule on a Falcon 9 rocket on Wednesday morning, ahead of a launch for the International Space Station.

Three NASA astronauts and one European Space Agency astronaut to the International Space Station. The launch from Cape Canaveral, Florida is scheduled for 3:52amET (0752 GMT), with the Dragon Capsule docking with the International Space Station 16 hours later.