Mice On a Plane

First there was a movie about snakes on a plane, now little furry critters are running around the cabin. This would be my ultimate nightmare. EEEEEEEEEEK! But pardon me for asking! How come someone got away with entering a plane with a bagful of mice when I am not even able to take a lipbalm onboard? What do you think?

From the BBC News Website: Mass mouse escape on Saudi plane

More than 100 passengers on a Saudi plane were left panic-stricken by the unexpected appearance of furry fellow flyers - dozens of mice.
The small rodents - about 80 in total, according to a local newspaper - escaped from the bag of a man travelling on the domestic flight.
An airline official said the aircraft was at 28,000 feet (8,500m) when mice began scurrying around the cabin.
Some of the mice fell on passengers' heads, Al-Hayat newspaper reports.
The incident occurred on a Saudi Arabian Airlines flight from the capital, Riyadh, to north-eastern town of Tabuk.
The flight landed safely and the bag's owner was detained by police investigating how he managed to get the mice onto the plane.
No explanation was given for the man's cargo.