The Rangers personnel engaged the militants near Afghan Basti and killed them in an encounter.
The slain terrorists said to be affiliated with an outlawed group.
Police conducted a search operation in New Karachi and arrested 13 suspects with illegal weapons.
In another raid, policemen captured four suspected terrorists from Gulbahar area of the city. Grenades, other ammunition and a stolen rickshaw and motorcycle were also recovered from their possession.
Police detained 20 suspects in search operations in Ayisha Manzil, Shah Faisal Colony and Al-Falah areas.
Moreover, a father and son were killed in Korangi while resisting a robbery. Five other persons were injured in the incident.
