There is no evidence of a direct link between the Boeing 787 Dreamliner plane's batteries and a fire at Heathrow, according to air accident experts.
Ethiopian Airlines said it would continue to operate its fleet of Boeing 787 Dreamliners after one of them caught fire at Heathrow airport.
The company's public relations department said: "We have not grounded any of our aircraft. The incident at Heathrow happened while the plane was on the ground and had been for more than eight hours and was not related to flight safety."
Asked whether the airline has determined the cause of the fire, Ethiopian Airlines said: "There is no new development. No safety issue. The incident is being investigated to determine cause of smoke."
Air accident experts will continue their investigation today into the cause of a fire on board a Boeing 787 Dreamliner jet at Heathrow Airport which left thousands of passengers facing travel chaos.
Heathrow Airport has warned that there will be some cancellations and delays to flights.
The airport's website is advising passengers to check the status of their flight with their airline before travelling to Heathrow.
Polish airline Lot has said that it will continue to fly Dreamliners after the incident at Heathrow.
The US National Transport Saftey Board (NTSB) has said that it is sending a representative to assist in the investigation after a Dreamliner plane fire at Heathrow airport.
NTSB sending accredited representative to London-Heathrow to assist in investigation of fire aboard Ethiopian Airlines B-787.
The Federal Aviation Administration (FAA) said it was in contact with Boeing as the company investigates.
"We are aware of the situation and we are in contact with Boeing as they assess the incident," a FAA spokeswoman said.
Ethiopian Airlines has said that the Dreamliner which caught fire at Heathrow had been parked for more than eight hours before smoke was detected.
Boeing stocks fell around $10 on the New York Stock Exchange after the incident involving a Dreamliner closed Heathrow airport.
Shares are now trading at around $100.
The runways are now fully re-open following an earlier incident on board an aircraft. Please expect delays to arrivals and departures.