DIG South zone Jamil Ahmed told the media four men affiliated with the Tehreek-e-Taliban Pakistan (TTP) were arrested from the posh Defence Housing Authority Phase-1 as they were planning a major terror attack in Karachi.
"They are affiliated with the TTP and we recovered four kilogrammes of explosive material from them and other equipment including suicide jackets. We conducted a raid and arrested them on a tip-off," Ahmed said.
The police official said they had also recovered a bag containing ball bearings, suicide jackets, bomb-making material and four pistols from the possession of the suspects.
In another incident, senior police official SSP Rao Anwar said they had killed five TTP activists near Sohrab Goth in an encounter in a graveyard.