Real Madrid legend Iker Casillas has suffered a suspected heart attack during training with Porto, it has been reported. The 37-year-old suffered pains during Wednesday's training session with the Portuguese club but is said to be in a stable condition in hospital. A statement on the FC Porto website read: "Iker Casillas suffered an acute myocardial infarction during Wednesday morning training session held at the Training Center in Olival. "The work session was promptly interrupted to provide assistance to the goalkeeper of FC Porto, who is currently at CUF Porto Hospital. Casillas is well, stable and with his heart problem solved." Los Blancos quickly offered their support to their former goalkeeper, issuing a statement reading: "Real Madrid C. F. wishes to offer its full support to our beloved captain Iker Casillas. "Iker Casillas has shown us how to overcome the most incredible challenges throughout his professional career, adding significantly to our club's successes. He's shown us that giving up has no place in our way of life and demonstrated time and again that staying strong during the hardest of challenges is the only path to victory. "Real Madrid C. F. and all of madridismo look forward to seeing our legendary captain back in good health as soon as possible and we send him all the encouragement in the world." All at Madridismo.org wish Iker a speedy and safe recovery.