Aye, right
Get real everyone, of course it wasn't a 'faulty router'. The real reason is subject to a 'D Notice' on grounds of national securidee.
Anyone remember the Manchester tunnel fire - http://www.telegraph.co.uk/finance/yourbusiness/2882204/BT-fire-brings-chaos-to-Manchester.html
That knocked out the bizzies' national network, but wasn't reported for obvious reasons.