PART 36, REFUSAL TO MEDIATE AND SHOULD A PARTY BE SUBJECT TO THE PART 36 PENALTIES WHEN AN OFFER WAS MADE TO THREE DEFENDANTS?

What should the court do in a case where a Part 36 offer is made in relation to a number of defendants but the claimant only succeeds against one of them?  Can a failure to accept an offer of mediation also be added to the mix when the court considers costs?  That was the issue facing the judge in t...