Openreach ONT

[JayEmmEss]

I have just noticed what looks like smoke damage directly above the ONT with marks extending circa 2 feet above the box mounted upon the wall.

This is obviously a fire hazard and I've now switched the device off at the power source. Can you please advise who I need contact regarding this potentially dangerous issue sorted - I have both Talk and Broadband through Sky. 
Additionally whichever party it may be - what's the best route to report and resolve - I'm already encountering the merry go round that you may anticipate. Thanks Jon

[GD1]

@JayEmmEss  You would need to speak to Sky, however for the community to advise further can you post a photo of the damage & ONT?

More important do you smell any type of burning in that area?  It is possible the scorching was done by drilling the brickwork to bring the fibre cable in?