Eilidh MacLeod is still missing after Monday's bombing.
Man Approached Girl In Play Park
Police are looking for a man who approached and spoke to a nine-year-old girl before trying to put his hands on her.
The incident, which officers are describing as suspicious, happened at around 4.15pm on Friday at a play park in the Dedridge area of Livingston, close to Ambrose Rise.
The girl was playing in the area when it happened - afterwards the made off towards St Ninian's School.
The victim was unharmed and reported the incident to her parents, who contacted police.
The man is described as being of Indian/Pakistani or Bangladeshi appearance, 18 to 20 years old and around 5ft 10ins.
He had black hair, brown eyes, a clean-shaven complexion and was wearing a light-grey hooded top with navy blue lining on the hood, grey skinny jeans, dirty white-coloured trainers and spoke with a Scottish accent.
Detective Sergeant Graham Garvie, said: "At this time we are trying to establish exactly what took place during this exchange and would ask anyone who was in the area and saw anything suspicious to contact police immediately.
"The young girl has given us a good description of the male we are looking to trace and anyone who recognises him should also get in touch."
Anyone with information can contact police on 101 or alternatively Crimestoppers on 0800 555 111 where information can be given anonymously.
There will be extra body search, ticket checks and bag restrictions.
Army personnel will be stationed at 12 military and civil nuclear sites in Scotland.
Police say the shopkeeper has been left badly shaken.
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