Slain Hurriyat leader Abdul Gani Lone’s younger son, Sajjad, has reiterated his accusation against Chief Minister Farooq Abdullah, labelling him as his father’s ‘‘assassin’’.He has also demanded an impartial inquiry into the killing.Addressing a rally for the first time since his father’s death, Sajjad said: ‘‘There are two kinds of people who killed my father — the one who actually shot him dead and the other who helped in plotting the killing.I started thinking who benefits and who loses from the death of my father. Today, it has struck me that the only person who will benefit from his killing is Farooq Abdullah. He is my father’s assassin.’’ 6 held for Lone killing New Delhi: In a major breakthrough in the investigations into assassination of Hurriyat leader Abdul Gani Lone, J-K police has arrested six persons, Star News reported today. Quoting police sources in Srinagar, the TV network reported that the six were sympathisers of various terrorist groups, particularly Hizbul Mujahideen, Lashker-e-Toiba and Jaish-e-Mohammad. PTI Over 15,000 people attended today’s rally, one of the biggest in the last decade. ‘‘Mera baap ek siyasat ka mohra ban gaye (my father became a pawn in politics,’’ said Sajjad. Stating that his father was attacked thrice in the last one year, Sajjad added that the Abdullah government had dismissed the attacks as stage-managed. Sajjad said his party would continue to pursue his father’s strategy to fulfill his vision for the betterment of Kashmir and Kashmiris. ‘‘My father was a thinking politician. He would devise strategies which would claim minimum lives in Kashmir, and yet keep alive the issue (of Kashmir),’’ he said.Lone’s other son, Bilal, added: ‘‘Those who accused him of selling out the cause should understand how firecely he was supporting the Kashmir cause. This gathering is an answer to them.’’