The decision by the UK, Ireland and the Netherlands to abruptly suspend flight to/from SSH cannot have been based just on 'chatter' evidence - there must have been something more specific, more substantial.
And now it appears that Egyptian authorities are preventing the arrival/departure of easyJet planes not already at SSH.
EasyJet says Egyptian authorities suspend some British flights | Reuters
The BBC news just now reports easyJet saying all British airlines are being prevented from using SSH by the Egyptian authorities.
Is this some sort of Egyptian retaliation - preventing UK holiday makers from leaving?