US police said they reopened an investigation into a massage therapist's allegations that former Vice President Al Gore groped her at an upscale hotel in 2006.

A massage therapist accused former vice-president Al Gore of "unwanted sexual contact" at a hotel in October 2006, but no charges were filed due to lack of evidence.

The eldest daughter of Al and Tipper Gore, Karenna, has separated from her husband of 12 years, Andrew Schiff, it has emerged.

Forty years after their wedding, and a decade after they shared one of the most flamboyant public embraces in political history, the former US Vice President Al Gore and his wife Tipper have announced they are to separate.

David Cameron and Jeffrey Sachs are right when they say "we need targeted action to support women the world over" and strengthening the voice and role of women so that they are involved in the decision-making process is crucial ("Educated women hold the key to ending poverty", 18 April).

In last Sunday's article 'Gore takes cash for water campaign from chemical firm' we stated that Al Gore's environmental organisation had taken money from a chemical company for the Life Earth Water events taking place last week. Neither Al Gore nor his philanthropic organization, the Alliance for Climate protection, are associated with, or sponsored, the Live Earths Water events which were the subject of our article. We apologise to Al Gore and his organisation for our error.

For Government ministers fearful of their future after the election, Tony Blair's return to the domestic fray yesterday must have been heartening. Not that even his most fervent admirers could believe that this master of the optimistic vision and the self-deprecating humour could turn the election single-handed.

Former US vice-president Al Gore has said he believes a global climate deal would be agreed in Copenhagen later this year because a "political tipping point" had been reached.