By Max Winters For Mailonline
Published: 16:58 BST, 3 May 2019 | Updated: 16:58 BST, 3 May 2019
Porto manager Sergio Conceicao has revealed he didn't think the heat attack suffered by legendary Spanish goalkeeper Iker Casillas earlier this week was serious at first.
The 37-year-old suffered the medical emergency on Wednesday morning and was rushed to hospital, where he is now in a stable condition.
Despite the immediate concern over Casillas' health, Conceicao said during his pre-match press conference on Friday that the extent of his condition was not obvious at first.
Porto's Sergio Conceicao did not think the heart attack suffered by Iker Casillas was serious
The 37-year-old suffered the medical emergency on Wednesday and was rushed to hospital
He said: 'I must confess I didn't think it was something serious at first,' said Conceicao.
'We were training and Iker was doing another type of exercise, so