There was one dark match before the WWE Elimination Chamber 2010 for the live crowd. In that match, Christian beat Ezekial Jackson.
Shawn Michaels snuck to the ring while the crowd was shown clips from earlier in the night. A group of refs came to the ring and HBK was hidden between them.
In the entrance to the Smackdown Elimination Chamber Match, the Undertaker was in the wrong position and was hit by the pyro, setting his coat on fire. He threw the coat away and was doused with water off camera before going into the Chamber. It’s said he has some burns on his chest but its not known how serious the injury is just yet.
credit: Wrestling Observer