A No 10 source tells me that the Prime Minister understands the military decision yesterday to order the banning of wearing uniforms off base in London in the immediate aftermath of the murder.
But I understand David Cameron thinks the best way to defeat terror to "act normally", so the temporary order has been lifted.
More top news
Over the next 24 hours we are going to see snow and ice across many parts, although it is looking calmer from Sunday onwards.
A young grey seal found in a farmer's field on Monday is making progress say RSPCA staff. He's thought to have a head injury.
The UK economy, boosted by the inclusion of the sex and drugs industry in the calculations, is now the world's fifth largest, but only just.