PM to discuss new measures to block pornography with ISPs
4 May 2012 Last updated at 14:27 BST
The Prime Minister is to meet internet service providers (ISPs) to discuss new measures aimed at protecting children from pornography online.
Under one option being considered, customers would have to 'opt in' when they sign up for a broadband contract in order to receive adult content.
Rory Cellan-Jones reports.