43 In any event, I do not consider that this is an appropriate case for an order for security for costs to be made against the third plaintiff. It is, in my view, a factor of considerable weight, militating against ordering security, that this application has been brought so late in the proceedings. The matter is now well advanced and substantial costs have been incurred by the third plaintiff. For the reasons I have set out previously, I do not find the plaintiffs' explanation for the delay in bringing the application persuasive. It appears from their solicitor's letter of 20 February 2003, that from the time of the injunction proceedings in May 2002 the defendants had held the belief that the third plaintiff was not in a position to meet any order for costs that might be made against it in the action. In addition, no steps were taken by the defendants from February 2003, when the issue of security for costs was first raised, until about August 2003, over which time further significant costs were incurred by the third plaintiff. It is also the case that the circumstances in which the third plaintiff supplied livestock to the defendants, and issues as to the quality of, and price for which, the livestock was supplied, lie at the heart of the defendants' counterclaims. On the material before me, it is difficult, if not impossible, to disentangle the third plaintiff's claims and the defendants' counterclaims in that respect.