Air traffic control company Nats said it is restricting aircraft flying across the south of England.
The air traffic restrictions is also affecting flights taking off from airports because of technical problems at its Swanwick control centre in Hampshire.
More top news
Drinking three or four cups a day compared to drinking none was linked to a lower likelihood of developing cardiovascular problems.
Thursday's forecast for the west of the region from Helen.
The mother of a teenager from Kent, who died after taking the drug Fentanyl, is fighting for a change in the law.