A statement on Heathrow’s website reads: “We experienced intermittent issues with the Terminal 5 baggage system between June 26 and 29 which caused some bags to be processed manually.

“Passengers can still check-in bags as normal.”

Many passengers arrived at their destinations without their luggage.

On their website, BA apologised for the delay, and explained that they were doing everything they could to shift the backlog.

“Large numbers of delayed bags have now departed from Heathrow and we have drawn up detailed plans for the remaining bags,” they said.

“The processes to repatriate baggage are complex due to security and customs regulations in each country. Given the volumes of bags and the nature of global travel, it may take several days to reunite bags with their owners.”

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