Translink cancelled services in County Down and parts of Belfast due to the weather and other routes were operating with delays of at least an hour.

BBC: Northern Ireland

"We can confirm that we are engaged in an extensive runway re-surfacing project at Belfast International, but the unseasonal weather has prevented any substantive work taking place for almost three weeks, " it said.

BBC: A Jet2 plane

Her arrival has been delayed by up to an hour due to bad weather, and she will fly into Belfast, before being taken by helicopter to Enniskillen.

BBC: Queen to begin two-day Northern Ireland visit

The bad weather also hit the traditional post-Christmas sales with Belfast city centre shops reporting a 50% fall off in trade.

BBC: News Online

The new 3G surface at the north Belfast venue meant this was the only quarter-final to survive the freezing weather.

BBC: Cliftonville 0-2 Glentoran

About 200 air travellers were left stranded at Belfast International Airport on Tuesday night after several flights were cancelled because of the weather.

BBC: Motorists freed from trapped cars

Both Belfast International and George Best Belfast City airports have warned that there could be disruption to flights because of the bad weather.

BBC: Snow and sleet forecast for Northern Ireland