The £30bn London Underground public-private partnership programme looks increasingly uncertain as Metronet, the company maintaining and upgrading two-thirds of the network, prepares to go into administration. The Guardian. The Times. Daily Telegraph. The Independent. Financial Times

Metronet Rail wrote to London mayor Ken Livingstone last night asking him to appoint an administrator under provisions of the 30-year PPP contracts.

The High Court is expected to appoint Alan Bloom, the Ernst & Young administrator who handled Railtrack’s administration, today.