Board Thread:Warhammer 40k General Discussion/@comment-96.237.238.119-20131218020230/@comment-3580035-20140113120329

All that was known about that event was that 'the Harvest of Ka'mais' began. It is implied that the colony is wiped out, but there is no evidence for an atomic weapon. It seems more likely to just be a normal invasion as it involved Anrakyr