Aer Lingus reviewing Belfast to London flight
Aer Lingus is to carry out a review after pictures emerged of an almost full flight with no apparent evidence of social distancing measures.
The airline said any changes required would be implemented as a "matter of urgency".
Pictures were shared from inside the cabin of a Belfast to London Heathrow flight on Monday morning, showing row after row filled with passengers.
The airline has said the safety and security of Aer Lingus's customers and crew is its top priority.
Meanwhile, Belfast City Airport’s chief executive has said every effort is being made to make the airport as safe as possible for travellers.
Brian Ambrose said Monday saw the first big influx of passengers since the virus outbreak, with 154 on the flight to Heathrow.
He told the BBC’s Stephen Nolan Show that no-one has yet found a solution to keep people two metres apart on an plane, adding: “How could you?”
According to Mr Ambrose, one of the “pinch points” happened when customers took their hand luggage to re-pack it after clearing security.
“We are working around the clock to make sure Belfast City Airport can provide the safest environment possible,” he said.
The chief executive said reviews were still being carried out into whether measures put in place around social distancing on Monday were inadequate or whether not enough staff were present to ensure passengers adhered to restrictions.
Until Monday, only 30 or 40 passengers had been using the Heathrow flight and they were mainly medical workers.
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