Fujian Huadong has not been working since last Wednesday, an official told Reuters.

The mob blamed water pollution from the yard for ruining their crop.

Luoyuan Bay in Fujian has a number of floating farms growing the shellfish delicacy.

"On the 16th some villagers cornered one of our bosses and wouldn't let him leave, they wouldn't let him drink or eat," an official named only as Zhang said.

"There