11.   No motive was known, nor was it clear if the shooting was related to the attack on his wife.

12.   Nygaard has said he believes the shooting was related to the fatwa.

13.   Nygaard said he believes the shooting was related to the order.

14.   Officials would not say whether American troops at the base were the intended target or if the shooting was related to the U.S.-led bombing of Afghanistan.

15.   Police officials could not confirm the motive, but suspect the shooting was related to gang activities.

16.   That shooting was related to drug problems, corruption and unfair treatment by superiors.

17.   The attacker fled, and it was unclear if the shooting was related to the attack on his wife.

18.   The gunmen escaped and there was no claim of responsibility or immediate indication if the shooting was related to the hijacking.

19.   The reports could not be independently confirmed and it was not clear whether the shootings were related.

20.   There was no evidence to suggest the shooting was related to recent attacks in the region, but it highlighted the lawlessness troubling southern Russia.