11.   A large police force then surrounded the prison sealing off a large area around it and preventing reporters from reaching the site.

12.   A large police force surrounded the prison and sealed off a large area.

13.   A large police force then surrounded the prison, sealing off a large area around it and preventing reporters from reaching the site.

14.   Authorities surrounded the prison.

15.   Colaco said police sharpshooters had surrounded the prison and supplies of food, water and electric power had been cut off.

16.   Hundreds of police continued to surround the prison Saturday.

17.   Police had surrounded the prison and were preparing to enter when a settlement was reached.

18.   Police surrounded the prison and cut off light and water but said their orders were to negotiate.

19.   Police troops surrounded the prison and officials were negotiating with the prisoners, Scherer said.

20.   Police units surrounded the prison and fire fighters were putting out the blazes.