Narcotics Control Bureau (NCB) arrested Iqbal Kaskar, who is brother of underworld don Dawood Ibrahim in a drug peddling case from an undisclosed location on June 23, reports Hindustan Times. During the investigation, NCB obtained some important clues in relation to the underworld don linked with the terror funding.Iqbal Kaskar is currently lodged in Thane jail in Thane District of Maharashtra. Earlier in September 2017, the Anti-Extortion Cell (AEC) of Thane Police had arrested Kaskar on the charges of extortion.