Lord McAlpine, former Conservative Party treasurer, who is suing left, right and centre to punish those who wrongly identified him publicly as a paedophile without checking the facts.

The BBC has quickly apologised and paid him 185 thousand pounds but he is also employing two legal firms to name a thousand Twitters who amplified the libellous information.

The freedom from the constraints on conventional media enjoyed by the so-called social media on the internet needs urgent review.