article_snippet: Prime Minister said some of Prime Minister natural supporters had 'drifted' to other parties, as Prime Minister vowed to stick to Prime Minister promise to cut net migration to the 'tens of thousands', despite the number soaring to almost 300,000.
article_snippet: At the Tory spring forum yesterday, David Cameron was heckled by party member Mike Howson who said the PM had 'betrayed this country on Europe and immigration' The Conservative Party will spend an extra GBP8 billion on the NHS if The Conservative Party wins the general election to fund a five year plan drawn up by The Conservative Party chief executive, Jeremy Hunt has promised.
article_snippet: Mr Cameron suggested that it was part of attempts to win back traditional Tory voters who have switched to other parties, including Labour and Ukip. '
article_snippet: At the Tory spring forum yesterday, Mr Cameron was heckled by party member Mike Howson who said the PM had 'betrayed this country on Europe and immigration'.
article_snippet: Mr Cameron has come under fire after promising 'no ifs, no buts' to cut net migration to below 100,000.
article_snippet: Some senior Tories urged Mr Cameron to ditch the pledge, but Mr Cameron has vowed to repeat the pledge for the general election this year too.
article_snippet: Mr Cameron said: 'Britain is facing quite a lot of pressure because the level of migration has been too high for too long.
article_snippet: Mr Cameron insisted Mr Cameron sticks to the pledge: 'you can call it an ambition, you can call it a target.
highlights_snippet: Vows to stick to pledge to cut net migration to the 'tens of thousands'
  Admits he must do more to win over Tories who 'drifted' to other parties .