Mark McDonald, a former North East regional MSP who took the risk of standing down from the Scottish Parliament to contest the by-election, was the bookmakers favourite to win the seat.
The Liberal Democrats had a small recovery and pushed the Conservatives into fourth place.
The media darlings Ukip came fifth indicating that they are having little impact in Scotland .
Does this have any relevance to the forth coming Ynys Mon Byelection? Probably not
Aberdeen Donside came as a result of the death of the sitting MSP Brian Adams whilst Ynys will come after Ieauan Wyn Jones resignation so that may work against Plaid.
The SNP are running the Scottish Parliament so there was as I said the usual swing against the ruling party But its Labour who are running the Assembly and they may find it hard to blame everything on the coalition at Westminster. But you can bet a pound to a dollar they will.
It is likely that it will be a Labour- Plaid tussle but it will be interesting to see if Ukip fail there as well. If they do they will more and more like an English party and they may find it hard to get any momentum out side England.
But all eyes are back on the Island of Anglesey once again with Plaid ma be seeing its fortunes for the near future being decided in the next few months on the island