LONDON:-England batsman Joe Root is a major doubt for the World Twenty20 tournament this month after fracturing his thumb during England's one-day series clincher in the West Indies. The England and Wales Cricket Board (ECB) said Root was returning home from the Caribbean. "Joe Root has a fractured thumb and is returning home to see a specialist," the ECB said on Twitter. "Ruled out of West Indies T20's, World T20 decision not made yet." The World Twenty20 begins in Bangladesh on March 16.–Reuters