31.   They asked workers and shoppers to take cover in cellars of buildings while they used specially trained dogs to locate the bomb.

32.   Troops are using specially trained dogs to search for those still buried under boards and slabs of concrete.

33.   Using listening devices and specially trained dogs, rescue workers returned to obliterated neighborhoods on Thursday with hopes of finding people who have been missing since tornadoes struck Monday.

34.   Why rely on a horse when there are so many expertly trained dogs out there?

35.   With the help of specially trained dogs, they combed the area and came up with nothing.

36.   You can plant mines, set traps, send equipment via a trained dog and steal a hot-air balloon.

37.   A Swiss rescue team with specially trained dogs heard the voices of two people and spotted two others in the rubble of the apartment building.

38.   A Swiss rescue team sent trained dogs to sniff for survivors.

39.   A Swiss rescue team with specially trained dogs heard the voices of two people and spotted two others deep in the rubble of the apartment building.

40.   As trained dogs sniffed the hotel ruins for signs of life, workers used picks and shovels to comb through chunks of broken masonry.