By
Sangakkara said he told the national selectors that he would quit as one-day and Twenty20 captain with immediate effect, but has offered to continue as Test captain on an interim basis if required.
"After careful consideration I have concluded that it is in the best long-term interests of the team that I step down now as national captain so that a new leader can be properly groomed for the 2015 World Cup," Sangakkara wrote to Sri Lanka Cricket.