US President Barack Obama has sought to assure German Chancellor Angela Merkel that the US is not monitoring her communications after she raised the issue with the president.
White House spokesman Jay Carney said Obama and Merkel spoke on the phone about fears the US National Security Agency had been spying on her.
Mr Obama assured Merkel that "the United States is not monitoring the communications of the Chancellor", Mr Carney said.
More top news
The success of the No camp is mainly due to Tsipras convincing people a No vote will strengthen their hands in negotiations.
As we move into the weekend, expect things to get rather more unsettled weather-wise - thought it will stay hot and humid for some.
More than 80 prominent Britons, including Boris Johnson, Russell Brand and former Government ministers, urge Obama to release Aamer.