The Delhi Police Special Cell has arrested four men, including an Afghan national, and recovered a record 354 kilograms of heroin worth over Rs 2,500 crore in the international market from them, officials said.

The accused have been identified as Rizwan Kashmiri, a resident of Ghitorni here and native of Anantnag in Jammu and Kashmir, Gurpreet Singh and Gurjot Singh, both residents of Jalandhar in Punjab and Hazrat Ali, a native of Kandahar in Afghanistan, they said. It recently came to the notice of the police that Kashmiri was involved in drug peddling in Delhi and other states like Punjab, Madhya Pradesh and Haryana.