There's a couple of articles, with info from people who were on board on mbl.is, also a picture of the damage, you might try to Google translate:
https://www.mbl.is/frettir/innlent/2...el_icelandair/
https://www.mbl.is/frettir/innlent/2...hristist_allt/
Sounds like FI had reached the gate and a full stop, people had stood up to prepare for disembarking. I'm booked with FI YYZ-KEF-CPH tonight, hope won't be affected now the fleet is an AC down.