trading halt, page-6

Last Thursday, Melrose said "We expect to be able to announce the status of a number of operational, regulatory and management issues during the next 6 weeks".
We know CMQ must obtain an unconditional APVMA license and confirm the successful trialing of the poultry product in South Africa by 31 May 05. We also know CMQ is studying how to overcome the filtration problem. So "operational = filtration; regulatory= APVMA license and managment = appointment of new CEO"??
Why a trading halt? Is the news far more reaching that may explain why the bankers secured their bonds. My guess is there is a mixture of good and bad news.