All low level trains cancelled tonight
Rail services across Glasgow from east to west are at a standstill tonight
Overhead line damage at Charing Cross means no trains are running through Glasgow Queen Street Low Level or Central Low Level.
Scotrail tweeted a picture of a pantograph, which the train uses to collect the electric current, tangled in the wires.
It's knocked out services from Edinburgh and Lanarkshire through the city centre to Helensburgh and Milngavie.
Some replacement buses have been organsied and passengers have also been able to use their tickets on other bus services and the Subway, although passengers complained on social media of being turned away during peak time hours.
It comes as Scotrail says passenger satisfaction is surging as new trains are brought into service.
An independent survey of more than 1,400 ScotRail passengers revealed overall satisfaction of 85%, up from the 16-year low of 79% published in January, with the train operator crediting a£475 million investment in trains and a new timetable for the improvement.
The low figures recorded over the autumn prompted the Scottish Government to issue a remedial plan notice to the operator for failing to meet its contractual targets on satisfaction, amid widespread delays caused, in part, by a new timetable.
But in the first National Rail Passenger Survey since January, satisfaction increased in areas from cleanliness and upkeep to staff helpfulness, seat comfort and the availability of power sockets.
Although satisfaction with punctuality and reliability in Scotland rose to 76% this spring, up from 72% in autumn 2018, it still trails the UK average of 77%.
Alex Hynes, ScotRail managing director, said: "Our new timetable is delivering faster journeys, more seats, and more services on brand new and upgraded trains.
"This survey proves that the £475 million investment Abellio is making in Scotland's railway is paying off.
"We know there is more work to do to deliver for our customers, but we are well on our way to building the best railway Scotland has ever had.'