Karachi police have arrested 50 suspects during search operation in different areas of the city.
On tip-off the police had carried out door to door search operation in Musa Colony, Khamosh Colony, Mujahid Colony and arrested 50 suspects.
The operation was carried out over presence of miscreants who were involved in Nazimabad firing incident in which five persons were killed. The identification of suspects could not be ascertained immediately.
The police had shifted them to an undisclosed location for further investigation.