A power cable exploded "like a hand grenade" damaging the copper network which, Openreach said, is more complicated to repair.
Openreach said that the explosion that knocked-out its digital services was like a 'hand grenade going off underground'.
Footway boxes in Cranhill, Glasgow, were targeted twice in the space of 24 hours.
The Scottish Crannog Centre said faster broadband has made a ‘huge difference’.
