Nasa’s Artemis 1 rocket launch called off because of engine problem – as it happened

Conditioning issue' with one of four engines on rocket's main stage means launch called off, with next attempt 2 September

We're closing our space blog now after a disappointing morning at Cape Canaveral that saw Nasa scrub its first attempt to launch its Artemis 1 moon mission because of an engine issue.

But mission managers will point out this is a test flight designed to iron out mechanical issues and other problems to ensure astronaut safety ahead of placing human crews aboard in subsequent missions.