1.   But there were also unconfirmed reports that the killings had provoked further clashes.

2.   The killing has provoked sadness in an institution that its officials described as a haven for troubled youths.

3.   The killing provoked a new round of violence that left one Protestant and eight Catholics dead in December and January.

4.   He had hoped the killings would provoke a race war.

5.   His killing provoked scattered riots, calls to boycott helmets and several vigils.

6.   Iraqi exiles say the killing provoked riots Saturday in a Shiite-dominated suburb of Baghdad as well as the southern cities of Najaf and Nasiriya.

7.   Lawrence had been an exceptionally popular and much-admired teacher, and the killing provoked outrage around the country.

8.   That killing provoked lawmakers and police to crack down on organized crime in Dublin, and inspired two Hollywood films.

9.   The high-profile killings this week provoked a new round of recriminations.

10.   The killings provoked a storm of international protest.