Christian Eriksen is in a stable condition and has "sent his greetings to his teammates" from the hospital, where he remains under examination following his collapse during Denmark's opening Euro 2020 match on Saturday.

In a statement on Twitter, the Danish FA said the 29-year-old had been in contact with the squad on Sunday, as he continues to recover from the incident in Copenhagen.

"This morning we have spoken to Christian Eriksen, who has sent his greetings to his teammates," it said. "His condition is stable and he continues to be hospitalised for further examination."

Update regarding Christian Eriksen. pic.twitter.com/YuKD9hS9LV

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Denmark's players and staff have "received crisis assistance and will continue to be there for each other after yesterday's incident", the statement added, with some of Eriksen's teammates having been reduced to tears as they formed a wall around him to shield him from the cameras while he received treatment on the pitch.

"We would like to thank everyone for the heartfelt greetings to Christian Eriksen from fans, players, the Royal Families from both Denmark and England international associations, clubs etc," the statement said.Advertisement

"We encourage everyone to send their greetings to the Danish FA, where we will make sure they are all passed on to Christian and his family."

After being shielded from view during his on-field treatment, Eriksen appeared conscious as he was taken away on a stretcher with an oxygen mask on.

Medics attended to him after being quickly ushered onto the field by English referee Anthony Taylor, while in the meantime Denmark captain Simon Kjaer made what's been hailed as a life-saving intervention by securing his neck, clearing the airways and starting CPR.

Kjaer then led the Danish players in forming the ring around their teammate and comforted Eriksen's partner, who appeared distraught as she went on to the pitch.

Inter Milan midfielder Eriksen, who spent seven years in English football with Tottenham, has been inundated with messages of support since his collapse - including footballers past and present, pundits, politicians and royals.

Boris Johnson was said to have been "shocked" by what happened.

"He is very thankful for the quick thinking actions of officials," the prime minister's spokesman said. "The response of players and fans in the stadium was exemplary. It showed sport at its best."

Also among those to send their well-wishes was former Arsenal and Birmingham player Fabrice Muamba, whose heart stopped for more than an hour while playing for Bolton against Spurs in 2012.

Muamba hoped to resume his career but retired from professional football five months later on medical advice - and doctors are concerned that Eriksen may also struggle to play again.

Sanjay Sharma, professor of sports cardiology at St George's University in London, who worked with Eriksen at Tottenham during his seven years in north London, said: "The good news is he will live, the bad news is he was coming to the end of his career, so would he play another professional football game? That I can't say.

"In the UK he wouldn't play. We'd be very strict about it."

He added: "Without putting it too bluntly, he died today, albeit for a few minutes, but he did die and would the medical professional allow him to die again? The answer is no."

Inter physician Piero Volpi told The Associated Press now was not the time to be making such assessments.

"Right now, the important thing is that he recovers," added Dr Volpi, who also confirmed that Eriksen had never contracted Covid-19.