Karachi: Counter Terrorism Department (CTD) has taken eleven suspects including a woman into custody over involvement of killing of seven police officers on Wednesday.
Security forces are into action after seven policemen were martyred by terrorists, while they were on duty to protect World Health Organization (WHO) team and polio workers in Orangi Town area of Karachi.
Interrogation of the alleged suspects is being conducted while an investigation into the killings is also underway.
CTD in-Charge Naveed Khawaja told reporters that all suspects taken into custody were shifted to unnamed location for interrogation.
According to available details, the ammunition used during the terrorist attack was used before in 2014, 2015 and during this year as well.
On the other hand, investigation sources have stated that suspicion is being placed on operatives of banned outfits initially.
Feroz Shah, a senior police official said that eight gunmen carried out the killings in two separate attacks.
Concerned officials have stated that all polio workers remained unharmed in the attacks. Anti-polio drive that was underway in the area has been suspended until indefinite period of time.