'Very serious': Why flights were grounded in Greece? Thousands stranded Times of India Thousands stranded across Europe as Greece airspace disrupted BBC Some Greek flights resume after air traffic radio failure Reuters All airports in Greece suspend ops; reports of massive radio frequency failure Hindustan Times Flights Grounded In Greece Due To Radio Frequency Loss NDTV 'Very serious': Why flights were grounded in Greece? Thousands stranded Times of IndiaThousands stranded across Europe as Greece airspace disrupted BBCSome Greek flights resume after air traffic radio failure ReutersAll airports in Greece suspend ops; reports of massive radio frequency failure Hindustan TimesFlights Grounded In Greece Due To Radio Frequency Loss NDTV by Soban News (international And National News)
