Boris Johnson looked visibly uncomfortable this morning when asked to elaborate on his recent comments that he would like to be Prime Minister.
The Mayor of London, who refused to reiterate that attaining control of Britain's top political office was his ambition, told the BBC's Andrew Marr Show: "It's not going to happen."
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John McDonnell promises voters they can expect to see "no increases in income tax for middle or low earners" in Labour's election manifesto.
The prime minister has confirmed the Conservative government will not increase VAT if they win the General Election on June.
Liberal Democrat leader Tim Farron insists his party can be the "strong opposition that Britain desperately needs".