1.   Police believe the shooting followed a domestic dispute, though it was not immediately known what sparked the dispute.

2.   It is not known what sparked the hostage drama but one of the ringleaders, convicted killer Rex Haig, has called for justice.

3.   It was not known what sparked the argument.

4.   It was not known what sparked the latest violence.

5.   It was not immediately known what sparked the fights.

6.   It was not known what sparked the shootout and there was no official comment on the incident.

7.   It is not known what sparked the hostage drama but one of the four ringleaders, convicted killer Rex Haig, has called for justice.

8.   It is not known what sparked the latest fighting, which followed several months of relative peace between the groups.

9.   Police believe the shooting followed an argument, though it was not immediately known what sparked it.

10.   It was not known what sparked the shooting.