US government geologists have reported that the number of earthquakes in the central United States rose "spectacularly" near where oil and gas drillers fracked.
The average number of earthquakes of magnitude 3 or greater in the US mid-continent - an area that includes Arkansas, Colorado, Oklahoma, New Mexico and Texas - increased to six times the 20th century average last year, scientists at the US Geological Survey said in an abstract of their research.
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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.