Four treated for cyanide poisoning in Stornoway
25 October 2012 Last updated at 15:37 BST
A fourth person at the centre of a suspected cyanide poisoning incident in the Western Isles has been released from hospital in Stornoway.
Three other people were also treated as a precaution.
The poison is understood to have been in storage in a lodge on a sporting estate on the Isle of Lewis.