John Roberts a'i westeion yn ymateb i ymosodiad terfysgol Manceinion. John Roberts and guests discuss the terror attack in Manchester. Show more
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John Roberts a'i westeion yn ymateb i ymosodiad terfysgol Manceinion. John Roberts and guests discuss the terror attack in Manchester. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
