Greek PM defiant amid Greek cash squeeze

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Greece's Prime Minister insists that Sunday's referendum is not about leaving the euro. Lucy Burton reports live from Athens. She tells us a game of bluff, double bluff and brinkmanship is being played out against a backdrop of hardship and disappointment in the country. We also ask whether Greece's woes are likely to start affecting other potentially vulnerable members of the Eurozone, with updates from Spain and Portugal. A government report calls for a third runway at Britain's Heathrow airport. We hear from worried local residents, and discuss whether expansion is really necessary, with Andrew Simms of the New Economics Foundation, and Baroness Jo Valentine, Chief Executive of the business group London First. Plus the UN's Food and Agriculture Organisation is predicting that food prices could decline over the coming decade. The FAO's El Mamoun Amruk tells us why. (Picture: Greek Prime Minister Alexis Tsipras. Credit: Getty Images)