Police officers at a past operation. [PHOTO/the-star.co.ke]

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Police have launched a successful operation that targetted the arrest of members of the dreaded Gaza gang, also known as Portmore.

The gang has been reigning terror in informal settlements, especially Nairobi's Eastlands, leaving their victims dead or with serious injuries.

So far, police reports indicate that over 80 Gaza members have been killed this year alone in different operation within the city.

The gang however managed to kill at least eight police officers and snatched weapons.

To combat the gang, police formed a special squad synonymous with the 'Hessy wa' title that included Hessy wa Kayole, Hessy wa Huruma and Hessy wa Dandora.

"Hessy" is a slang for police officer.