Microsoft IT outage: criminals seeking to take advantage of global outage, CrowdStrike warns – as it happened

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There is a further update on the situation at the Port of Dover in England, which was mentioned earlier (see 9.41am BST).

Chief executive Doug Bannister told the PA news agency:

We operate a turn up and go system here. However, we do insist you have a book on busy days, even if people are doing this on the drive down. The greater visibility we have the better.

But we are here to service people who want to travel. So I would say to displaced airport passengers come on down. We have the capacity'."

We start to get busy about 5 or 5:30 in the morning. We've opened new infrastructure today which is working really well. So far there is no congestion in the town of dover. Approach roads are busy but moving. Everything is running well."

The worst of this is over because the nature of the crisis was such that it went very badly wrong, very quickly. It was spotted quite quickly, and essentially, it was turned off."

Until governments and the industry get together and work out how to design out some of these flaws, I'm afraid we are likely to see more of these again.

Within countries like the UK and elsewhere in Europe, you can try and build up that national resilience to cope with this. But ultimately, a lot of this is going to be determined in the US.