21.   At first, mobs blocked fire trucks from reaching the burning church and a police helicopter hovered above thousands of people who milled about in the streets.

22.   Bush also has threatened to veto an even more restrictive House plan that would block Mexican trucks from venturing beyond a narrow commercial zone just north of the border.

23.   But some protesters outside the gates lay down in the road to block army trucks.

24.   Conteris, with the Center for Economic Justice in Washington, successfully blocked the truck for several minutes before he was wrestled away by police.

25.   Demonstrators also turned out at several others ports, although made no attempt to block trucks.

26.   Del Rosario also alleged the attackers burned tires on the street leading to the two-story town hall to block fire trucks.

27.   Dressed in a track suit and parka, Anita Smith was ready to do her part to block trucks carrying veal calves to this eastern port city.

28.   Efforts to fight the blaze were hindered by low water pressure and crowds of onlookers drawn by the flames, who initially blocked fire trucks.

29.   Efforts to fight the blaze were hindered at first by low water pressure and by crowds of onlookers blocking fire trucks from the scene.

30.   Efforts to fight the blaze were hindered at first by low water pressure and by crowds of onlookers who blocked fire trucks from the scene.