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Mattar Ibrahim Mattar, a former member of parliament for Wefaq, the country’s leading opposition group, told Al Jazeera that the families of medical staff who have been providing treatment to injured protesters were being arrested.

Human rights groups have accused Bahrain of arresting patients and medical staff suspected of taking part in protests, and sacking hundreds of public workers. Bahrain says it targets only those who committed crimes during the unrest in March.