ITV News Reporter Mark McQuillan breaks down what we know about the incident
Two aircraft were involved in a minor collision at Heathrow on Wednesday evening.
Emergency services are at the scene but no injuries have been reported.
The collision was between an Icelandair aircraft and a Koreanair aircraft, ITV News understands.
The spokeswoman said: “Emergency services are attending an incident involving two aircraft on the airfield.
“No injuries have been reported but emergency services are attending to ensure all passengers and crew are safe and well.”
BBC journalist Jennie Gow who was on one of the flights said: "A plane clipped another while taxiing."
London Fire Brigade attended alongside LAS.
The LAS spokesman said: “We were called today at 8.06pm to reports of an incident at Heathrow airport.
“We sent a number of resources to the scene including members of our Hazardous Area Response Team (HART), a clinical team leader, a cycle responder and an incident response officer.
“We attended a reception centre for passengers but nobody required treatment or needed to be taken to hospital.”
The incident is being investigated.
While it is understood there is currently no significant impact on departures or arrivals, passengers are advised to check with their airlines on the status of their flights.