Police have launched an investigation after reports of drones spotted flying near Heathrow Airport.
There have been two reports of an unmanned craft flying near the airport this morning.
Flight crew alerted police after seeing a drone approaching the airport’s transport hub and another sighting was reported a few miles away near the Queen Mother Reservoir.
The Metropolitan Police aviation team said on Twitter: "Officers are responding to two reports of a drone sighting near the approach to Heathrow. This is both dangerous and illegal."
There are increasing concerns over drones being flown dangerously.
In September the British Airline Pilots' Association (Balpa) said it was only a matter of time before a major accident is caused by a drone collision or a laser being shone at a pilot.
A Scotland Yard spokesman said: "Police were called shortly before 11am on Monday October 10 following reports that flight crew had seen a drone being flown close to the approach to Heathrow Airport.
"Officers received a further report that a drone had been seen in the area of the Queen Mother Reservoir. Officers from the Met's Aviation Policing are investigating.
"At this stage it is not believed that any aircraft were at risk. However, members of the public are advised to read guidance issued by the Civil Aviation Authority before flying a drone."
A Heathrow Airport spokesman said: "Heathrow's top priority is the safety of our passengers and colleagues.
"Anyone operating an unmanned aerial vehicle has an obligation to know the rules and ensure they are capable of operating it safely.
"Doing so in proximity to an airfield or aircraft is both illegal and clearly irresponsible.
"Stronger regulation and enforcement action must be a priority for the Government to ensure that the airspace around British airports remains amongst the safest in the world.
"We will continue to work with our industry partners to ensure that any violation of airspace is fully prosecuted."
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