BBC: MSF-backed hospitals treated Syria 'chemical victims'
Médecins Sans Frontières says hospitals it supports in Syria treated about 3,600 patients with "neurotoxic symptoms", of whom 355 have died.
The medical charity said the patients had arrived in three hospitals in the Damascus area on 21 August - when opposition activists say chemical attacks were launched against rebels.
But MSF says it cannot "scientifically confirm" the use of chemical weapons.
Continue reading on the BBC News site.