1.   Dogs are used to track the wolves to their lair in the forest.

2.   Many of the gangs were using dogs to intimidate people.

3.   Officials used guard dogs to eject the protesters.

4.   Conservationists have gone back to an ancient method of catching ducks, using a dog to lure the birds into a net.

5.   Police at first believed the death could be suspicious and used dogs to search the surrounding area.

6.   Mr Wood said he had gone to investigate after people had been seen in the area with bull terriers, the dogs most commonly used for fighting badgers.

7.   I would imagine this dog has been used in dog fighting.

8.   And bomb-sniffing dogs have been used at Avery Fisher Hall, although Davis said that this was a precaution, not a response to a specific threat.

9.   And bomb-sniffing dogs were being used where suspicions were raised.