Megasurf wireless internet sabotage and exploitation

I am utterly shocked at the service I have received from megasurf wireless internet after the municipality had dug out their fire not even on my property but was sent a quotation to pay for the reconnects and Fibre cut by the municipality. How am I liable for damage made by municipality not even on my property. I am very disappointed in how they handles my complaint as they couldn't even explain why I must pay for the repair.