Cause of radar outage that grounded 150 flights at UK airports revealed London Evening StandardMore than 100 flights cancelled after UK air traffic control issue BBC‘We’re stranded in Croatia with a sick mother and 18-month-old baby after UK air traffic systems meltdown’ The IndependentWhat went wrong at the UK’s airports and could it happen again? ITVX‘No evidence’ malign activity caused Wednesday’s air traffic disruption, says transport secretary Sky News