It has emerged Lubna Speitan was listed in court documents as a "close friend" of a man later jailed for supporting al-Qaeda.

The Opposition leader made the pledge as she said the Tories face a "battle for the soul of the this nation".

Officials were recorded by undercover journalists discussing a potential way to secure foreign donations to the party.

Joshua Kerry, 28, appeared at Westminster Magistrates' Court and was remanded in custody.