A confidential Bank of England (BoE) email, which was inadvertently sent to the Guardian newspaper, has revealed a secret project at the institution assessing the economic risks posed to Britain if the country votes to leave the European Union.
The existence of the Bank's project emerged as the Prime Minister insisted he was "confident" of securing reforms in Brussels after meeting with European leaders at a summit in Latvia.
The European Union and Ukraine have signed a 1.8 billion euro loan deal in an effort to help revive the country's economy.
It requires Ukraine to adopt a series of reforms including anti-corruption measures to remedy structural problems in its economy.
In the first quarter of 2015, Ukraine's economy contracted by nearly 18 percent from the previous year as the country struggled with the impact of unrest in the industrial heartland of the east.
The Bank of England has launched a secret project looking at the economic risk to Britain if the country votes to leave the European Union.
David Cameron's hopes of limiting migration may actually be welcomed by some Eastern European countries.