Fibre seems very flaky tonight - any known issues?

[#1]

Anything from 0.23mbps to about 25mbps and completely at random
Not sure if it's me or something broader

[#2]

Also having issues tonight, internet has dropped out couple of times this evening.

[#3]

Utilisation is pretty high tonight:
http://www.plus.net/support/service/network_performance/broadband_bandwidth_usage.shtml