UNIDENTIFIED assailants in eastern Mali have abducted a doctor working for the World Health Organization (WHO), the U.N. agency said in a statement. Dr Mahamadou Diawara was taken from his car on Monday in the town of Menaka, located in an eastern region where jihadist groups linked to al Qaeda and Islamic State are active. Assailants also attacked his driver but left him behind. WHO "is working with local authorities to investigate the abduction and ensure our colleague's quick return to his family," the statement said. Diawara was sent to Menaka at the start of 2020. He has been leading…