1.   Police used force to detain the four.

2.   Police Chief Carlos Bares said the four were detained at a local hotel.

3.   Afghan sources said the four were detained because of suspected links to Jalaluddin Haqqani, a former Taliban commander who remains at large.

4.   All four were detained.

5.   He said the other four were detained in a follow-up raid on Sunday.

6.   In clashes Tuesday at the square, some opposition leaders were beaten by police and at least four were detained.

7.   Many opposition party officials were beaten, and at least four were detained for some hours.

8.   The army detained the four on Saturday and handed them over to police after they entered a closed military zone and knocked down a gate to the Islamic College.

9.   The four were detained at a Serb checkpoint while traveling from the airport to the city center.

10.   The four were detained at a Serb check-point while traveling from the airport to the city center.