Aviation enthusiasts EGXWinfo Group have posted an audio clip online, which they claim to be a recording of an RAF pilot trying to make contact with the Latvian plane.
In it, the pilot warns that the plane will be shot down if it does not follow his instructions.
To hear the warning from the RAF "....if you do not respond to my orders immediately you will be shot down" visit http://t.co/aAKjoECAbq
The Ministry of Defence refused to confirm or deny whether the audio was genuine.
Audio from SoundCloud/The EGXWinfo Group
The sonic boom created by two RAF Typhoon jets scrambled to escort a Latvian jet has been captured on CCTV in East Sussex.
The sound was picked up by a camera at the home of Iain Dodsworth in Crowborough.
He tweeted: "Thought it was the house collapsing".
Footage credit: Iain Dodsworth
"Military jets were deployed on a precautionary basis when a Latvian registered cargo plane was diverted to Stansted. This was due to a loss of communication with the aircraft. The aircraft landed safely at Stansted airport at around 5.20pm on Wednesday October 29. All three people who were on board have been spoken to by police, it was established that everything was in order and reason for the short loss of communication was due to a change in airspace jurisdiction. Essex Police is not investigating the incident and the aircraft will be able to continue its journey to Birmingham when it is ready."
The RAF has confirmed that they scrambled 2 Typhoon jets to intercept a Russian-built Latvian cargo plane.
A "loud bang" was heard in the Kent area earlier this afternoon, and the RAF now say that the bang was as a result of the Typhoons going supersonic.
Typhoons launched to intercept a civil aircraft. It was safely escorted to Stansted. Our aircraft cleared supersonic during the scramble.
They also added that they were sorry to anyone that they startled during the interception.
A spokesperson for Stansted Airport has confirmed that two RAF jets have accompanied a plane which has now landed at the airport.
The plane is a Russian-built Latvian cargo plane, and it is understood to have lost contact with air traffic control.
Stansted Airport has confirmed to ITV News that two RAF jets have accompanied a plane which has now landed at the airport.
It follows earlier reports of a "loud bang" being heard in the Kent area at about 4.40pm.
Kent police have now confirmed that the "loud bang" felt by residents was related to the RAF activity.
The number of people using Stansted Airport has passed 19 million for the first time in four years.
It marks a big breakthrough for the airport which saw passengers numbers drop to just over 17 million during the recession.
It was also a bumper September for Stansted. It flew nearly two million passengers last month - up 14% compared to the same time last year.
A Polish woman has been charged with drug smuggling after Border Force officers at Stansted Airport seized cocaine worth an estimated £90,000.
Wieslawa Barbara Kureda, 56, of no fixed UK address, was stopped at 11.45pm on Tuesday after arriving from Abu Dhabi via Dublin.
Following searches of baggage, officers recovered cocaine weighing between 2kg and 4kg. Tests are continuing on the weight and purity of the drug.
Kureda was arrested by the Border Force and later questioned by investigators from the National Crime Agency's Border Policing Command. She was charged with attempting to import a class A drug.
She appeared at Chelmsford Magistrates' Court yesterday and was remanded in custody until her next appearance at Chelmsford Crown Court on December 15.
The first phase of an £80 million revamp of the departure lounge at Stansted airport is unveiled today.
The new duty free shop and other high street chains will be opening their doors as the new-look retail section welcomes it's first passengers.
New security desks have already opened as part of the project.
The overhaul should be fully completed by October 2015, when new restaurants and a high-end retail section opens.
It's part of a larger plan to double the number of passengers using the airport.
Passengers numbers at Stansted airport in Essex rose sharply in August.
They were up 11.6% to 2.03 million in August 2014 compared with August the previous year.
Stansted, which is owned by Manchester Airports Group, recently announced expansion plans.