Wednesday newspaper round-up: Greece, Ocado, Heathrow runway

Greece has officially defaulted on its €1.6bn debt repayment to the IMF, making it the first ever developed economy not to pay back the IMF, The Telegraph reports.Ocado boss Tim Steiner has said the online grocer is in "advanced" and "very detailed" discussions with international retailers about selling the use of its technology, and is also mulling the future of its contract with Waitrose, according to The Telegraph.The Airports Commission has backed plans for a third runway at Heathrow airport, claiming that it could generate up to £147bn for the economy over 60 years and 70,000 new jobs by 2050, the Financial Times writes.The national park authority's planning committee has narrowly approved Sirius Minerals' £1.7bn plan to build the world's biggest potash mine in the North York Moors National Park, reports The Times.Thomas Cook has confirmed a controversial £5.6m share payout to its former boss, Harriet Green, one-third of which will be donated to charity, The Guardian reports.Fears of a new Ebola outbreak in Liberia were sparked on Tuesday after officials quarantined a neighbourhood near he capital city following the death of a 17-year-old boy, less than two months after the country was declared Ebola-free, reports The Wall Street Journal.Apple has lost its appeal against a 2013 ruling that said it played a "central role" in conspiring with publishers to raise ebook prices, says the Financial Times.The Wall Street Journal says that US giant ConAgra Foods is planning to exit its private-label business less than three years after spending $5bn to buy it.