1.   But nothing braced the clinic for possible arson.

2.   The federal investigators routinely join city fire marshals in investigating possible arson fires, he said.

3.   The fire is being investigated as a possible arson.

4.   Police are investigating possible arson.

5.   Police said they were investigating causes of the fire, including possible arson.

6.   A possible arson fire at an apartment complex killed a firefighter and a resident early Saturday, authorities said.

7.   Fire officials asked police to investigate possible arson.

8.   Gov. Jane Hull declared a state of emergency to free up state funds to fight the blaze, which began Tuesday and was being investigated as possible arson.

9.   Investigations into possible arson closed inconclusively.

10.   Police said they were investigating the cause of the fire, including possible arson.