Hundreds of people are facing travel chaos after 'technical issues' sparked widespread confusion - leaving holidaymakers unsure what gate their flights were even departing from.

Departure boards and check in systems at the airport have been impacted, rather than the flights themselves.

But the problems have meant signs are now up on departure boards saying: "Flight information is not updating at this time.

"Do *not* rely on any information from these screens.

"Contact your airline directly or use the airline app for flight information, gate numbers and boarding status."

People reportedly missed their flights after not knowing where their flight was departing from.

Have you been affected by the chaos at Heathrow Airport today? Contact us at [email protected]

Some passengers have reportedly missed their flights because of the technical issues

In a post on Twitter, Heathrow Airport said: "We are experiencing technical issues at the airport which we are working hard to resolve.

"To help direct customers to their gates, we have deployed additional Heathrow colleagues across our terminals.

"We apologise for the disruption and will continue to provide regular updates."

It's meant the airport has had to put a manual contingency plan in place for the time being.

A spokesperson from Heathrow said: "We are continuing to experience technical issues which we are currently being resolved.

"We have additional passenger ambassadors being deployed across our terminals to help direct our customers to their gates for departure.

"We apologise for the disruption this is causing our passengers."

Passengers have reported huge queues as they desperately try to find out where their flight is departing from

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Holidaymakers are annoyed about the lack of information.

One person tweeted: "Heathrow is currently in utter chaos - no departure boards, no gate announcements, queues halfway across the concourse for harrassed information staff. I've managed to find my gate - 'fortunately' my flight is two hours late!"

"At #Heathrow Flight #cancelled. Announcements inaudible. Total chaos," someone else wrote.

Benjamin Kerr said: "Utter chaos at @HeathrowAirport today. It’s been a shambles all day- I have seen families with young children miss their flights because of staff giving wrong/misleading information. It’s been pathetic."