There has been strong opposition against the airport wanting to use its northern runway.

The issue affecting check-in and baggage systems caused hundreds of delays and cancellations on Saturday.

In the week the UK hosted Donald Trump for a second state visit, the country also rolled out the red carpet for US tech firms.

We look at the different circumstances that affect you if you're due a refund for cancelled or delayed flights.

US officials later clarified current H-1B holders were unaffected but immigration lawyers already advised people to return.