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Mr Awuku was the favourite going into the election, having successfully mobilised the youth to deliver a historic victory for the NPP in the 2016 polls.
In a heartfelt message to party delegates ahead of Saturday's vote, Mr Awuku said his position as the then youth organiser had been "a learning curve."
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"I strongly believe that to create an effective youth wing, it was expedient to undertake capacity building courses to enable our regional and constituency youth leaders restore faith in our youth as well as win over the others to garner their support," he said.