Airports Commission case for Heathrow expansion 'opaque'

Treasury committee chair Andrew Tyrie says more information required over reasons for Davies report's conclusions

A decision on airport expansion is being taken on the basis of "opaque" information, a senior MP has warned.

Andrew Tyrie, chair of the influential Commons Treasury select committee, said parliament and the public had been left partly in the dark on the case for a new runway at Heathrow.