Mrs May said she regretted Ms Cooper's decision to be "party political" on the matter.
Mr Tipping said he would not be taking a partisan or party political view.
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It's being brought right down to the level of being a party political squabble.
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"They are opposed, in my view, to the transfer for cynical party political reasons, " he said.
The first are non-party political peers who are recommended by the House of Lords Appointments Commission.
It had 14 other members taken from the great and the good, including party political figures.
His party political broadcast a solo performance, complete with mad staring eyes struck some as demonic.
We struck a deal with an unnamed media mogul and won a free party political broadcast.
But, a committed Democrat, Mr Lew is more party political than Mr Geithner ever was.
Meanwhile, other representatives of civil society also tend to vote along party political lines.
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Peg Alexander (below) does herself much credit for not using this forum for a party political broadcast.
It is not overtly party political, it speaks to millions of Americans of both parties and none.
He finds himself trending on twitter, along with a cheeky remix of the party political broadcast.
Labour said Mr Salmond broke the rules on using government and public resources for party political ends.
"It is a very wide-ranging role indeed and much wider than being just party political, " he added.
An independent, statutory body such as an electoral commission to allocate party political broadcasts seems the obvious solution.
This led to opponents arguing that this meant the taxpayer was forking out for a party political propagandist.
The composer and broadcaster Michael Berkeley is to be made a non-party political peer in the House of Lords.
Labour are planning a Party Political Broadcast on the subject on Tuesday and a speech later in the week.
He accused the Labour leader of "rank opportunism" - and said voters would see through Mr Miliband's party political "posturing".
The interim house will be more party political, and possibly more partisan.
The security at the event was astonishingly tight - the full apparatus of the Zimbabwean state employed for a party political event.
The second category are party political peers (often known as working peers).
But Mr Cameron dismissed the claims as "weak and wrong", arguing that Labour was guilty of using the "Leveson inquiry for party political purposes".
It is not the first time this has been done - the Conservatives devoted a previous party political broadcast to an East African famine appeal.
This isn't a party political point: it's a statement of fact.
In a party political broadcast last year, Mr Clegg said sorry that the Liberal Democrats "did not stick" to their pre-election promise not to increase fees.
My sojourn on a Glasgow pavement reminded me, once more, that one should never treat a political party, any political party, as an unyielding homogeneous block.
The Blackguards and Doomsayers got off to a bad start by landing on a newsflash square which resulted in the authorities outlawing its party political broadcast.
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