1.   Profeto was arrested in connection only with the second killing but detectives said a link would soon be made.

2.   District of Columbia officials reacted swiftly to the second killing at the university.

3.   News of the second killing had not yet arrived there.

4.   When he was in college, his father was sentenced to life in prison for a second contract killing.

5.   Police arrested two Protestant militants Saturday after a Catholic man was shot fatally through the head, the second such sectarian killing this week in Northern Ireland.

6.   A special police and prosecution team was set up to look into the murder, which apparently was the second killing of a journalist in Ukraine this year.

7.   A senior Iranian cleric has been killed in Iraq, the official Islamic Republic News Agency reported Saturday, in the second such killing in two months.

8.   After the second killing, he was transferred to another jail for his own security.

9.   An Iranian ayatollah has been killed in Iraq in the second killing of a Shiite Muslim cleric in two months.

10.   If confirmed, it would be the second killing of aid workers in Burundi this month.