Grit lorry has windows smashed in Derry amid heavy snow
A gritting lorry driver suffered cuts to the face when his window was smashed by stone-throwers in Co Derry.
Last night’s attack in Ballykelly came as workers battled some of the worst snowfalls for 25 years.
More than 700 schools have shut and flights are disrupted at all three of Northern Ireland’s airports.
Motorists were warned of treacherous conditions and asked only to travel if necessary.
The Met Office has a weather warning in place until 6pm on Friday, warning of more heavy showers.
Belfast International Airport had no flights until until 2pm. Belfast City Airport was re-opening at 12.30pm but significant delays are likely. Passengers are asked to get in touch with their airlines.
The City of Derry Airport was closed.
Buses were running but some were being delayed by as long as an hour.
The Glenshane Pass was treacherous but still passable with care.
Difficult conditions and heavy traffic was reported on roads in the counties of Down, Antrim and Derry.
All visits to Maghaberry Prison were suspended.
The Roads Service said gritting has been underway since Thursday afternoon, adding that roadside salt was being taken by people with vans and trailers.
Regional Development Minister Conor Murphy has said people clearing footpaths of snow and ice are unlikely to be held liable if there is an accident.
