At least four persons have been nabbed from various parts of Tamil Nadu in connection with the blast near the BJP office in Bangalore last week.
All are said to be former members of Al Umma,the outfit that was proscribed after the Coimbatore blasts. Among those arrested is Kichan Buhari,who spent a decade in jail in connection with the Coimbatore serial blasts that killed 58. He was released last year.
The others in custody have been identified as Mohammed Salim,Basheer Ahmed and Peer Moideen. Buhari,Ahmed and Moideen are suspected to have provided logistical support,said officials,adding that the main accused are yet to be caught.
Sources in Tirunelveli said two more persons had been detained and were being interrogated,though police officials maintained this was in connection with a communal clash in Nagercoil.
Hailing from Pattamadai near Melapalayam in Tirunelveli district,Buhari was said to be an associate of militant activist Imam Ali,who was killed in an encounter by Tamil Nadu police in Bangalore in 2002.
Buhari was one of the accused in the Coimbatore serial blasts that originally targeted BJP leader LK Advani but instead killed 58 persons and injured over 200. Convicted by a special court which awarded him life imprisonment,he spent over a decade in prison before being released last year.