Now that we have a new government and a new transport secretary, does it that mean we have a new approach to BA strikes and whether aeroplanes should be grounded under the ash cloud?

Transport secretary Philip Hammond told Today presenter John Humphrys that the limits particles in the air "has already increased tenfold" and that they were seeking advice on whether it would increase further.

On planned BA cabin crew strikes he said the dispute was not about right and wrong, but about the survival of the business.

"I don't think facts of economics work in moral territory," he said.

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