A Thomson Airways flight from Mexico to the UK had to be cancelled.
As one of his passengers discovered a Wi-Fi network called "Jihadist Mobile Phone London 1".

The incident occurred on Monday, May 22, on board the aircraft.
He was scheduled to travel from Cancun to London.
A traveler who noticed a wireless network with this name notified the stewards.
They tried to find the creator of this Wi-Fi, but unsuccessfully. Eventually, police were called on board the aircraft.
Police checked all passengers’ phones.
In addition, dogs were taken to the aircraft for examination of the cabin.
The creator of the “extremist” Wi-Fi could not be found. A few hours later, the network was removed, but the pilot refused to take off.
The passengers were eventually placed in the hotel.

by Ivan Familić:
Terrorist Wi-Fi even dogs could not smell. Probably the encryption was used well.