Application to strike out – Applicable legal principles – Several claims – Whether some of the claims being pursued are unknown in law – How court should approach question as to whether there exists reasonable grounds for bringing claim – Whether the 2nd and 3rd defendants are immune from liability – Allegation that defamation claim is statute-barred – Procedural defence – Need to assert procedural defence in filed defence – Failure to provide sufficient pertinent particulars in statement of case – Application for constitutional redress – Adequate alternative means of redress available – Need to specify court orders sought when applying for court orders – Default judgment not available against crown without the court’s permission – Claimants’ request for default judgment