NEW DELHI: England beat Sri Lanka by 10 runs to reach the semi-finals of the World Twenty20 at the Feroz Shah Kotla Stadium on Saturday. Put into bat, England posted 171-4 with Jos Buttler top-scoring for the 2010 champions with an unbeaten 66. Defending champions Sri Lanka made 161-8 in 20 overs with Angelo Mathews (73 not out) leading the way.