David Cameron has made a passionate address at a business event in London pledging to win the election. His comments were met with cheers from the audience. It came as 5,000 small and medium-sized businesses signed a letter, calling for the Conservatives to be given the chance to finish what they started. The letter, published in the Daily Telegraph, said a change in government would be risky.\r<br>\r<br>Subscribe to BBC News HERE \r<br>Check out our website: \r<br>Facebook: \r<br>Twitter: \r<br>Instagram:
