Alex Hales added to England one-day international squad as cover

Alex Hales has been added to the England squad for Sunday's one-day international against Sri Lanka as cover for captain Alastair Cook.

Cook is currently struggling with a groin problem and will be assessed ahead of tomorrow's match at Durham.

Hales, who is considered a Twenty20 specialist, is yet to be capped by England at ODI level.

England took a 1-0 lead in their five-match series against Sri Lanka on Thursday with an 81-run win at The Oval.