Police gathered in Tottenham Police Station on Wednesday morning to be briefed about Operation Martello

Facundo Arrizabalaga/MyLondon

The crackdown would be focused on drug use and dealing around the Seven Sisters Underground Station

Facundo Arrizabalaga/MyLondon

Officers were assisted by two drug detection dogs trained to sniff out the main illegal substances such as heroin and cannabis

Facundo Arrizabalaga/MyLondon

The drug detection dogs are not harmful, but pay extra attention to those it thinks are carrying any illegal drugs by constantly following them

Facundo Arrizabalaga/MyLondon

The first individual who was stopped was subsequently searched by officers

Facundo Arrizabalaga/MyLondon

In the first hour of observing, the LDRS saw 19 people stopped and questioned by police af

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