Ten Things You Need to Know Today: Friday 14 Sep 2012

St James's Palace has responded to the publication of topless photographs of Kate Middleton by the French edition of the magazine Closer, saying the Duke and Duchess of Cambridge "have been hugely saddened" by "a grotesque and totally unjustifiable" invasion of privacy. Closer says the photos were taken while Kate sunbathed on holiday with Prince William in the south of France before their Far East tour.

Zainab al-Hilli, the girl orphaned by a brutal attack near Lake Annecy in which a gunman murdered her father Saad, mother Iqbal and grandmother Suhail al-Allaf, is on her way home to the UK after being released by a French hospital. Zainab, 7, was bludgeoned over the head in the attack. Police hope she will be able to help with the investigation when she is interviewed formally.

David Cameron was under fresh pressure last night after the Spectator magazine reported that 14 Tory MPs have backed calls to remove him. The rebels have written to Graham Brady, chairman of the party’s backbench 1922 Committee, demanding a leadership challenge. Brady said: “Nobody but me would know whether it’s true and I haven’t spoken to anyone”.

A Microsoft investigation has found that malware, including viruses, are being installed in PCs on factory production lines by cybercriminals. Buying and testing computers in China, investigators discovered viruses including Nitol, which facilitates access to bank accounts.