1.   Two of the recently detained men, described as senior members of the Sunni group, were seized several days ago, the police said.

2.   Police allege that the five worked as assassins for the hard-line Sunni group known as the Soldiers of the Friends of the Prophet.

3.   Police and supporters of the Sunni group Guardians of the Friends of the Prophet blamed rival Shiite Muslims.

4.   A previously unknown Sunni group called the Lashkar-e-Jhangvi took responsibility for the killings.

5.   A key leader, Shoaib Nadeem, and three others members of the Sunni group were murdered by four gunmen on a highway near Islamabad on Sunday.

6.   A secretive Sunni group called the Lashkar-e-Jhangvi took responsibility for the killing two weeks ago and vowed to attack more Shiite Muslims.

7.   A spokesman for the militant Sunni group, known as Guardians of the Friends of the Prophet, expressed outrage over the raids.

8.   All the dead were members of the militant Sunni group known as the Guardians of the Friends of the Prophet.

9.   Among the dead was Zia-ur Rehman, a leader of the Sunni group.

10.   Among the dead was a leader of a violent Sunni group which blamed their rival Shiites prompting concerns of a fresh outbreak of sectarian violence among the police.