Bomb at Port of Miami? Nope. Sprinkler parts

MIAMI - Concerns that supplies being loaded onto a cruise ship at the Port of Miami-Dade tested positive for plastic explosives evaporated Monday.

The real culprit: sprinkler system parts.

After the items set to be loaded onto the Majesty of the Seas were blown up at 3:30 p.m., federal authorities deemed them harmless, even though they had sparked the second security incident at the port in as many days.

"It was nothing; just sprinkler parts which apparently have the same characteristics as the plastic explosive C-4," said Miami-Dade police spokesman Robert Williams.

The item, being moved on a pallet, had been screened six times by explosives detection equipment Monday afternoon. Each time, the results were positive for C4, said Coast Guard Petty Officer James Judge.

"Sometimes we get false positives, but we're not taking any chances," said Miami-Dade police spokesman Roy Rutland early in the investigation...