51.   No motive was known.

52.   Officers at the nearby Mangwon Police Station confirmed Park killed himself, but said his motive was not known.

53.   Officials still do not know the motive for the attack.

54.   Police did not know the motive for the attack.

55.   Police have made no arrests and did not know the motive for the attack.

56.   Police never caught the suspect and do not know the motive, TT reported.

57.   Police said they did not know the motive for the killings.

58.   Police said they did not know the motive.

59.   Police spokesman Ronald Gajadhar said police did not know the motive, and he declined to speculate about any connection between the shooting and the newspaper article.

60.   Police were questioning the soldier and did not immediately know his motive.