Big US banks fund David Cameron's EU fight to the tune of £2million

The official Britain Stronger In Europe group has received £2m from banks
It has also taken money from businessmen who previously backed the euro
Official Vote Leave campaign said it was involved in 'David v Goliath' battle
http://www.dailymail.co.uk/news/article-3585814/Bankrolled-fat-cats-Big-banks-fund-Dave-s-EU-fight-tune-2million.html