A pair of RAF Typhoon fighter jets have been spotted flying over Scotland after squawking a "quick" reaction alert.
Taking off from RAF Lossiemouth in Moray, the aircraft used a 1307 squawk code, which signals NATO air policing.
The fighter jets were seen across northern Scotland and made their way towards the Outer Hebrides on Tuesday, April 12.
Aircraft and satellite tracker SkyScanWorld suggested that it was perhaps part of a practice operation, according to Edinburgh Live.
They added that it was possibly linked to a German Air Force Eurofighter which took off from Laage Air Base and spotted near Poland.
It comes after a huge military jet was seen cruising across the UK last Thursday.
The massive RAF C-17A Globemaster III set off from RAF Brize Norton in Oxfordshire before flying in a series of circles around Temple on Bodmin Moor.
It is capable of transporting 100,000lb (45,360kg) of weight while flying higher than 35,000ft.
RAF Typhoons, based at RAF Lossiemouth and RAF Coningsby, are described by the Royal Air Force as "highly capable and extremely agile" multi-role combat aircraft.
Their maximum speed is Mach 1.8 and they can soar to a maximum 55,000 feet.
They are armed with 27mm Mauser cannon, air to air missiles, Enhanced Paveway II and Paveway IV precision-guided bombs as well as Storm Shadow and Brimstone air to ground missiles.
Typhoons are used to police the skies and in "high intensity" conflict, according to the RAF.
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