French investigators launched two separate probes on Thursday into the deaths of two babies who had consumed Guigoz brand formula subject to a recall over potential contamination with cereulide, a toxin. So far, no causal link has been established between the deaths and the contamination.

Swiss food giants Nestle has also recalled infant formula batches in recent weeks over toxin fears.

French investigators launched two separate probes on Thursday into the deaths of two babies who had consumed Guigoz brand formula subject to a recall over potential contamination…