cancelled

Some parents said the cancelled sessions impacted on their children’s confidence.

E.On has also agreed to write-off debt held by almost 150,000 prepayment customers who cancelled their accounts over the same period.

But it said no flights were currently being cancelled.

The company will be de-listed from the New York Stock Exchange in the "near term" and stock shares will be cancelled, with no value, as part of its restructuring, Spirit said.

It has warned bus and train services may be delayed or cancelled, with some road closures and longer journey times possible.