Hassan Abed Rabo, a spokesman for the Palestinian Ministry of Prisoner Affairs, said it was an "open-ended hunger strike" and "a sign of mourning" for Jaradat.
In a sign of the increasing hunger among drug giants to get in on the potentially lucrative market for copycats of expensive biotechnology drug, Amgen, the largest standalone biotechnology company, and generic firm Watson Pharmaceuticals will collaborate on developing copycate medicines for cancer.