"If what you said was the case, then there wouldn't currently be specialist anti-terrorist police involved in the investigation, would there?"
"Thus far, nothing to indicate" would be a far more forthright and honest statement on behalf of authorities, particularly in light of these police anti-terrorist specialists being on the scene, wouldn't you say?
"Nothing" is definitive, and lends credence to Mizsterious's objection to a premature dismissal of terrorism. "Thus far, nothing" makes no definitve claim and is much more accurate.
""Thus far, nothing to indicate" would be a far more forthright and honest statement on behalf of authorities"
Well of course it's thus far, when else would they be speaking about? As of next week, there is nothing to indicate terrorist involvement? The police have made no secret of the fact that the investigation into the causes is ongoing.