From the New York Times:
"Authorities in the Dominican Republic said they seized 36,000 tubes of toothpaste suspected of containing diethylene glycol, an industrial solvent and prime ingredient in some antifreeze. Included were tubes of toothpaste marketed for children with bubble gum and strawberry flavors sold under the name of “Mr. Cool Junior.”
Toothpaste containing the toxic solvent was also found in Panama and Australia in the last week."
The contaminant is the same counterfeit glycerin that was in the recent cough syrup incidents that killed hundreds of children. You can read the full article here.