 In the way that we had indicated from Microsoft and CrowdStrike, they say they've isolated the problem, they're fixing the problem, so maybe we're turning a corner and we're going to see services start to resume again. Certainly some positive news in the last minute or so from American Airlines in the US. This is the BBC World Service with Andrew Peach. We'll come back to this and keep you right up to date with the details as they emerge. If you could stay with me here for the next 40 minutes or so.