1.   The fire chief suspects arson.

2.   The cause of the fire has not yet been determined, but investigators suspect arson.

3.   Arson is suspected after a factory fire in which two firemen were injured.

4.   A bedroom was badly damaged in the blaze, but arson is not suspected.

5.   An arson dog identified a flammable substance at several areas throughout the house, leading investigators to suspect arson, Little said.

6.   Arson is suspected, Warren said.

7.   Arson is suspected, he said.

8.   Arson is suspected in the blazes.

9.   Arson is suspected.

10.   Corcoran said arson was not suspected.