21.   Two red trucks with high-pressure water cannon stood as a silent warning in front of the police barrier.

22.   With a phalanx of television cameras planted at a police barrier several miles down the road, Caver knew the world was watching.

23.   Police barriers have been erected around the simple memorial.

24.   A dozen spectators then overran police barriers and referee Marcello Cardona called off the Serie B match with three minutes left.

25.   A car on Wednesday crashed through a police barrier outside a hotel where Israeli Prime Minister Benjamin Netanyahu is vacationing, police said.

26.   All anxious relatives could do was press against police barriers, and hope.

27.   Ahead of a meeting with local officials, the protesters came up against a police barrier in front of the regional police headquarters, where clashes broke out.

28.   As his custom-made Popemobile pulled up the entrance to the six-story building Saturday, crowds of onlookers were held behind police barriers a block away.

29.   Blair and his wife, Cherie, leaned over police barriers for handshakes, hugs and kisses.

30.   Chinese and British well-wishers reached out across a police barrier to hug Patten.