Nato and the US administration have insisted that there will be no change of strategy in Afghanistan.

BBC: Afghanistan's Taliban suspend peace talks with US

The bank itself said the restructuring would not be delayed, and several analysts saw no need for a change in strategy.

BBC: Impact of Deutsche Bank executive's death

But he made clear that there would be no change to the government's strategy in response to this news.

BBC: UK GDP: Questions for Mr Osborne in Davos

Mr Griffiths agreed it was vital in this period of change that there was no diminution in the services or the progress of the Environment Strategy Action Plan.

BBC: Environment statement

While no one goes into a partnership with the intent of ending it prematurely, life events or a change in strategy may mean one or more partners want out.

FORBES: Six Crucial Questions To Ask When Picking A Business Partner

On a conference call with investors in October, Mr. Elop said there was no reason Nokia can't succeed in North America, but did say it would require a change in strategy.

WSJ: Nokia Cancels U.S. Launch of X7 Phone

The Obama administration has said it wants to speed construction of nuclear-power facilities as part of a strategy to support sources of energy that emit little or no carbon dioxide or other gases linked to climate change.

WSJ: Obama Administration Stands Behind Nuclear Power