For reference here is the Tactical Update from EuroControl Brussels for Friday morning:
Originally Posted by EuroControl
Aerodromes
EGLF (Farnborough)
Arrivals regulated due to Airshow.
High delays.
EGLL (Heathrow)
Arrivals regulated due to Aerodrome capacity (runway surface repair).
High delays.
Greek airports
LGIR (Iraklion)/ LGSA (Chania)
Arrivals regulated due to ATC capacity.
Moderate delays.
Airspace
EDWW (Bremen)
Several sectors regulated due to Airspace Management and ATC capacity.
Moderate to high delays.
EDUU (Karlshuhe)
Several sectors regulated due to ATC capacity.
Moderate to high delays.
EPWW (Warsaw)
Sector JKL combined regulated due to Ukrainian crisis.
Moderate to high delays.
LDZO (Zagreb)
Several sectors regulated due to ATC capacity.
Moderate to high delays.
LHCC (Budapest)
Several sectors regulated due to ATC capacity.
Moderate to high delays.
LKAA (Praha)
Several sectors regulated due to TopSky implementation.
Moderate delays.
LOVV (Vienna)
Several sectors regulated due to ATC staffing.
Low to moderate delays.
LSZA (Zurich)
Zurich TMA regulated due to ATC capacity.
High delays.
LFMM (Marseille)
LFLB (Chambery) TMA regulated due to ATC capacity.
High delays.
LYBA (Belgrad)
Several sectors regulated due to ATC capacity.
Low to moderate delays.