Dr Barry Morgan, Archbishop of Wales, told ITV News that he is in favour of organ donation, but feels the Human Transplantation Bill needs amending to take relatives' feelings into account.
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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.