Argentina rocked as contaminated medical fentanyl kills up to 96 patients

Relatives of patients who died after being treated with contaminated fentanyl react during a protest outside the Hospital Italiano in La Plata, on 31 July. Photograph: Dino Calvo/Reuters

As many as 96 people are now thought to have died in Argentina after being treated with medical-use fentanyl that was tainted with bacteria.

The official death toll stands at 87, and a judicial source has told the Buenos Aires Herald that nine further deaths are under investigation.