News Summary

• More than 2,000 flights were canceled in the UK after air traffic control provider, NATS, said it suffered a "technical issue" London Heathrow Airport, Europe's busiest by passenger numbers, was the worst affected.
• British Airways said on Wednesday morning that its staff worked through the night to build a new flight schedule, but 190 flights still had to be canceled.
• This week's problems are the latest in a string of recent issues with NATS that have caused travel chaos in Britain.