Thousands of homes and businesses are without power as Storm Callum sweeps across Ireland.

Around 1,000 properties experienced power loss in the north, with Lisburn, Lurgan and Ballinamallard in Co Fermanagh worst affected.

NIE opened 12 incident centres across Northern Ireland to respond to any damage.

The Republic's network operator ESB also reported multiple faults this morning, with counties Cork, Kerry and Donegal among the worst hit.

Around 20,000 properties were impacted during the night.

The latest satellite image shows how big #StormCallum is. It's going to be a wet and windy day for many places ? pic.twitter.com/kYgQZLCTYo

— Met Office (@metoffice) October 12, 2018

Dozens of flights have been cancelled out of Belfast and Dublin due to the storm.

All Flybe operated flights departing from Belfast City Airport from 6am to 9.30am have been cancelled, apart from flight BE731 to Leeds Bradford and BE680 to Edinburgh which have been delayed until later today.

Commuters were also disrupted by fallen trees blocking roads, including Windsor Avenue in south Belfast, the Tassagh Road in Keady, Co Armagh and Scarva Road out of Gilford, Co Down.

Trainslink said speed restrictions will also be in place on the rail network.

With an orange wind warning in place across swathes of Ireland, Met Éireann has warned of potential risk to life and property.

The Met Office had issued a yellow weather warning for the north.

Flights operating as normal this morning but #StormCallum could have knock on delays so please check with your airline for latest flight information @BBCNITravel

— Belfast Airport (@belfastairport) October 12, 2018

In Dublin, the national emergency co-ordination group met yesterday for a briefing on the incoming storm.

As part of the preparations, flood prevention measures were taken in a number of coastal areas.