1.   But police officials have said that churchgoers started the disturbance by using pepper spray themselves and by throwing bottles and debris at officers.

2.   The police said that churchgoers started the disturbance by using pepper spray themselves, and threw bottles and debris at officers who were trying to arrest a church member.

3.   Neither Bates nor police could say what started the disturbance and it was not immediately clear whether the fires were set deliberately.

4.   Neither Bates nor police could say what started the disturbance, and it was not immediately clear whether the fires were set deliberately.

5.   Students were later prevented from leaving the campus and mingling with a large mob which had started a disturbance in nearby areas.

6.   Catholic nationalists and Protestant loyalists accused each other of starting the disturbances.

7.   Mark Littlewood, a British spokesman for the human rights group Liberty, said he had heard the disturbance was started after a woman detainee was badly treated.

8.   Mark Littlewood, from human rights group Liberty, said he had heard the disturbance was started after a woman detainee was badly treated.