A new law will seek to cover a loophole which means that paedophiles who ask children to send them explicit selfies online could face up to two years on prison.
It comes as part of a raft of new measures unveiled by the government today as part of an international crackdown tackling child sexual exploitation.
The Prime Minister has warned people who browse child abuse images that what is illegal in the offline world is also illegal in the online world.
Speaking at a summit in London today, Mr Cameron added that new laws had been drawn up to ban 'paedophile training manuals', meaning anyone caught in possession of material which offers advice on carrying out child sex abuse, or concealing their online activity relating to such, will face jail.
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New laws will seek to cover a loophole which can allow online paedophiles to request explicit selfie pictures from children