Sean McCann, 21, will take to the pool in Glasgow for the 400m freestyle heats this morning in his major competition debut.

That dream was to compete for Scotland and Team GB on the senior international stage. And now, at the age of 21, after years of hard work, McCann has made that dream come true.

Sean McCann, 21, who will make his first appearance at the Commonwealth Games, was just two years old when his sister Madeleine, three, disappeared from the family's holiday…