There is growing concern that a planned ceasefire in Syria, which is supposed to come into force tomorrow, will not go ahead after the opposition rejected a demand from the Syrian government to provide a written guarantee that it will stop fighting and disarm.

BBC: Syria ceasefire would be 'political suicide' for Assad

Lord Lipsey said his proposal, which would require both Houses to vote on a piece of secondary legislation before the bill's proposals could come into force, was "a belt to go with Lord Best's braces".

BBC: Government defeated over free home care plans

He said the interim guidelines, which come into force immediately, clarified which kinds of cases should be prosecuted and which would go ahead only after a rigorous assessment whether it was in the public interest to prosecute.

BBC: Prosecutors clarify offensive online posts law