Several(3) UK Royal Airforce unis where spotted in UK airspace during the NATO summit,2 of them flying side by side probably toward Amsterdam where the summit was taking place or flying around airspaces to maintain survelance, GUNFTR22 & GUNFTR21
The third unit was Observed flying over the waters alongside the coastline of UK, WARLOR31
Flight details
Aircraft :[GUNFTR21, GUNFTR22 ] : Eurofighter Typhoon (EUFI)
Operator: Royal Air Force (RAF), United Kingdom
Type: Multirole Fighter
Standard 2-ship Eurofighter Typhoon patrol. Possible Escort Surveillance or Intersept
Aircraft:[WARLOR31] : Eurofighter Typhoon FGR4 - Combat air patrol (CAP) mission or airspace overwatch for NATO