Education Minister Huw Lewis has defended the slight dip in this year's top GCSE grades, saying 'it's to be expected' given the ongoing drive to make core subjects more rigorous.
The percentage of pupils achieving grades A* - C in Wales has dipped by 0.1% this year compared to 2012, while the percentage of students achieving the top grade of A* has fallen from 6.5% to 6.1%.
But the percentage of students achieving grades A* and A has remained the same as last year at 19.2% - and the overall pass rate is stable at 98.7%.
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The world bog snorkelling championships returns to Llanwrtyd Wells this weekend.
A cloudy start with a scattering of showers spreading eastwards, allowing some warm sunshine to develop from the west during the afternoon.
The Lions are due to depart before the PRO12 and Premiership finals, with the first match taking place on same weekend as Top 14 final.