The Welsh Education Minister Leighton Andrews has been defending his decision to order a regrade of English language GCSEs last year.
He is being questioned by MPs on the Commons Education committee.
He told the committee that the regrade was "action taken to deal with an unfairness."
He criticised the UK education secretary Michael Gove for refusing to meet him and his Northern Ireland counterpart.
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Wales have qualified for the Euro 2016 quarter finals after beating Northern Ireland 1-0 in Paris.
A rally has been held in Cardiff following the EU referendum to show support to migrant communities.
It's 0-0 at half time in Paris as Wales face Northern Ireland in the last 16 of Euro 2016.