Scottish Justice Secretary Kenny MacAskill and Lord Advocate Frank Mulholland, the top prosecutor, will receive a briefing from police in Kelso tomorrow over the Jim Clark Rally deaths.
Mr MacAskill said: "The Jim Clark Rally is a long-standing event and has been part of the local community for over 40 years. This incident will have come as a tremendous shock to the local community and wider motoring family.
"All across Scotland people are sharing the sadness of this tragic event and stand ready to support the local community."Above all, our thoughts are with the family and friends of those affected."
More top news
A company in the US says it has developed a hoverboard that you can ride while floating an inch above the ground.
The term 'photobomb' has been named the Word of the Year 2014 by lexicographers at Collins English Dictionary.
A Swiss supermarket has apologised for its "unforgivable blunder" after selling coffee cream with pictures of Hitler and Mussolini on.