Two activists of two different banned terror outfits were among 13 suspects arrested by the Sindh Rangers on Monday. A spokesman said Rangers personnel conducted operations in different areas of Karachi. Among those arrested were a member of the banned Sipah-e-Mohammad identified as Mujahid, and an activist of the al Qaeda Indian Subcontinent, identified as Farhan. Six suspects accused of involvement in target killings and robberies were also arrested.