Three raids were carried out in Karachi, which is also the country's principal port, Dawn News reported. Police said they seized a small arsenal of weapons, including five sub-machine guns, 12 pistols and four rifles, Kalashnikovs and bullet-proof vests.
The raids were carried out by the Rangers, a paramilitary national force, with assistance from Karachi police, officials said.
The city has become known for criminal violence, including kidnappings for ransom, and assassinations.
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