Former Real Madrid goalkeeper Iker Casillas came through club's youth ranks and went on to play in the first team from 1999 to 2015, winning 19 titles including three Champions Leagues and five Spanish championships.
Iker Casillas called curtains on a glorious career which included a World Cup trophy and two European Championships.
Iker Casillas announced he was ending his bid to run for the presidency of the Spanish Football Federation (RFEF) due to the crisis caused by the coronavirus pandemic.
Iker Casillas played 167 times for Spain, also winning two European Championships in 2008 and 2012, and made more than 700 appearances for Real Madrid.
Twitter broke out in concern as news of Iker Casillas's heart attack spread.
Spain manager Vicente del Bosque confirmed his intention to step down after the defending champions were knocked out of Euro 2016 in the Round of 16 by Italy.
Live streaming of Spain vs Croatia Group D Euro 2016 match will be available on all digital platforms like web and mobile. Croatia need a draw to qualify for pre-quarterfinals. Spain have already made the last-16. Catch live action through NDTV live blog too
David De Gea has strongly denied allegations that he organised a party at which two women were forced to have sex with two footballers
Iker Casillas made his 166th appearance for his country as Spain drew 0-0 away to Romania in an international friendly.
Raul Gudino, 19, who normally plays as a starter in the reserve team in the Portuguese second division, called Iker Casillas a great teammate and a great friend, adding that he is trying to learn everything from him to improve his skills.