Herath bowled 21 balls and among them 18 were dot as he went on to record one of the most stunning figures in the history of Twenty20 cricket.
It was the third best bowling performance in T20 cricket. Herath's compatriot Ajantha Mendis twice took six wickets.
Mendis, whom Herath replaced today in the side, had taken six wickets for eight runs against Zimbabwe in 2012 and six for 16 against Australia in 2011.
"This pitch has been slow consistently. I trusted my spinners. Herath was unbelievable. We were waiting for an occasion like this and we pulled through," Sri Lanka's stand-in skipper Lasith Malinga said.
"Rangana was waiting for his chance and he proved himself really well. We have some other good spinners in Ajantha and Seekuge. We have a good opportunity with the turning wickets in Dhaka," Malinga added.
Kiwi skipper Brendon McCullum was equally impressed with Sri Lankan spinners.
"We knew there was a lot of hard work to go. Knew we needed to be positive in the first six. It was a bit dry than we expected and Herath and Sachi, the way they bowled was outstanding," McCullum said.
"They blew us away with about eight wickets for some 10 runs. Wouldn't say there was extra pressure, it was a quarter-final anway. We just didn't adapt ourselves and played some mindless cricket. We took some poor option and as a result of that we're on the plane home," he added.
Man-of-the-match Herath said,"What I realised was we needed wickets and I put the ball in the right place. Luckily the dew wasn't there but we had a bad game against England. Nothing was wrong today, no dew. Malinga was asking to what we can do, nothing more."
Malinga said having three former captains helped him in planning the game.
"Really lucky to have Angelo, Mahela and Dilshan to help me. they have good experience," he said.


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