<p>A mob set a tyre market on fire at Gokulpuri area on Monday night during violence over amended citizenship law in northeast Delhi, an official said.</p>.<p>A call about the massive blaze was received around 8.30 pm, following which 15 fire tenders were sent, the fire department official said.</p>.<p>Several shops were gutted in the fire, the official said, adding that it was brought under control by 11.40 pm and the cooling process was underway.</p>.<p>A head constable was among the four people killed and at least 50 were injured as violence spiralled over the amended citizenship law in northeast Delhi, turning it into a battlefield on Monday with frenzied protesters torching houses, shops, vehicles and a petrol pump, and hurling stones.</p>
<p>A mob set a tyre market on fire at Gokulpuri area on Monday night during violence over amended citizenship law in northeast Delhi, an official said.</p>.<p>A call about the massive blaze was received around 8.30 pm, following which 15 fire tenders were sent, the fire department official said.</p>.<p>Several shops were gutted in the fire, the official said, adding that it was brought under control by 11.40 pm and the cooling process was underway.</p>.<p>A head constable was among the four people killed and at least 50 were injured as violence spiralled over the amended citizenship law in northeast Delhi, turning it into a battlefield on Monday with frenzied protesters torching houses, shops, vehicles and a petrol pump, and hurling stones.</p>