[TomGuy]

Driver and 1 passenger are being detained and questioned.

LEOs are removing boxes from the truck. Seem to be separating boxes into 2 groups.

Apparently, there were 2 positive reactions from bomb-sniffing dogs to explosive residue that caused alarm.

[Lazamataz]

Driver and 1 passenger are being detained and questioned.

Are they 'swarthy' in their complexion?

LEOs are removing boxes from the truck. Seem to be separating boxes into 2 groups. Apparently, there were 2 positive reactions from bomb-sniffing dogs to explosive residue that caused alarm.

It was the 4th recently. Could simply be fireworks.