[Fester Chugabrew]

. . . it only takes minutes to rule out ONE possible cause.

To say an event does not "appear to be" terrorism is NOT to rule it out. HS is making a qualified statment, not a positive one.

[HairOfTheDog]

To say an event does not "appear to be" terrorism is NOT to rule it out. HS is making a qualified statment, not a positive one.

Thanks... It seems like very concise, clear English to me too.