We reported the incident to GMs in game, and on the lodestone forums here:
http://forum.square-enix.com/ffxiv/threads/8246-Uraeus-glitched.
Video here:
http://www.youtube.com/watch?v=whW9949BKgI
Some players are angry at us, thinking we hacked the game... we really don't know what happened. It just stayed there waiting us to kill him!!
Further details of what happened is on the bug report.