UK and France agree to joint nuclear weapons tests

The two leaders will announce plans for French planes to use British refuelling aircraft

The UK and France are to sign a treaty agreeing to the joint development and testing of nuclear warheads.

The plans will see one centre set up in the UK to develop technology and another in France to carry out testing.
Prime Minister David Cameron and President Nicolas Sarkozy will also outline plans, at a London summit, for a joint army expeditionary force.
Downing Street called the measures "practical", but Labour said they left "big questions" over the UK's defences.

Read More: http://www.bbc.co.uk/news/uk-politics-11670247