FC Porto goalkeeper Iker Casillas was reportedly rushed to hospital after suffering a suspected heart attack.
According to reports in Portugal, the Spaniard felt unwell after training on Wednesday.
Maisfutebol reported that the 37-year-old was then taken to CUF Hospital in Porto for surgery.
It is now being reported that the Spaniard is now in a stable condition and is out of danger.
Casillas has been Porto's number one since joining the club from Real Madrid in 2015.