Scotland's First Minister Alex Salmond has told ITV News the Jim Clark Rally crash that left three people dead and two others critically injured was "an extraordinary incident of great severity".
Mr Salmond said: "These are tragic circumstances and obviously all our hearts go out to the people who have been killed and injured.
"Given the extent of this tragedy, people can be reassured the [investigation] process will be complete and thorough".
More top news
Prisons hit record highs for the number of inmates released in error, as well as for the number of assaults on both prisoners and staff.
One person was killed and several others injured when a fairground ride malfunctioned and broke apart mid-swing.
The government has faced questions as to why the expert analysis of one of the central issues of Brexit was not ordered sooner.