Longview investigators are asking for the public's help in catching an arsonist. It was around 5 pm Sunday that fire crews were called to the 12-hundred block of north 9th street in Longview. Firefighters quickly worked to knock out the blaze which had destroyed about 30 percent of the home when they arrived. The blaze has now been ruled arson, and a warrant has been issued for the arrest of the person or persons responsible. No one was injured in the blaze.