21.   Riot troopers surrounded the prison while prison officials negotiated the release of the hostages.

22.   Riot police had surrounded the prison in the working class suburb of Korydallos to prevent any escape attempts.

23.   Riot police surrounded the prison and appeared ready to enter it.

24.   Riot police surrounded the prison in the working class suburb of Korydallos to prevent any escape attempts.

25.   She would be an easy target for someone wanting to shoot her through the wire fence that surrounds the prison, he added.

26.   Television broadcast images of heavily armed police surrounding the prison.

27.   The police did that, he said, by taking Reilly out in the hills surrounding the prison, then shooting him several times with a revolver.

28.   Two hundred policemen and sharpshooters surrounded the prison, but negotiations were peaceful, Guerra said.

29.   He added that the prison had been surrounded by security forces.

30.   Heavily armed police and gendarmes surrounded the prison early Wednesday while other members of the security forces intervened to bring the rebellion under control.