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."