The Belgian forward ran towards a television camera to celebrate before shouting: “Chris, Chris, I love you!”
Earlier today, during Denmark’s match against Finland in Copenhagen, Eriksen collapsed on the pitch and required CPR by medics.
The Danish midfielder is “awake” and undergoing tests in hospital in Copenhagen.
While Uefa added that the former Tottenham midfielder has been “transferred to the hospital and been stabilised”.
It was the first goal of the tournament for the Red Devils, who enter as one of the favourites to win it all.
Lukaku was at the heart of everything that Belgium did well and was involved in the build-up as Thomas Meunier doubled the lead for Roberto Martinez’s side.