Campaigners, led by an MP from Wiltshire, are asking the government for tighter controls on what children can see on the internet.
A petition with more than 100,000 signatures was handed into Downing Street this morning.
Devizes MP Claire Perry wants new rules to force internet providers to filter out pornography and other unsuitable material unless adults chose to view it.
More top news
We've been getting acquainted with the Shaun the Sheep sculptures heading out on location for this summer's trail across Bristol
The Shaun in the City sculpture trail, which hits Bristol's streets on Monday, was given its official, and typically unusual, launch today.
Not enough beds and an agonising wait for the right help - a mother describes the anguish of trying to save her anorexic daughter.