Bengaluru, Nov 19 : The National Investigation Agency (NIA) conducted search operations in over 43 locations on Wednesday including four offices of the Social Democratic Party of India (SDPI), the political wing of the Popular Front of India, for their alleged involvement in Bengaluru riots. The NIA officials said seized incriminating material relating to the SDPI and PFI besides weapons like swords, knife and iron rods during the raids. According to a statement issued by the NIA, the raids were conducted on a total of 43 locations in Bengaluru in relation to the riots that had shaken Bengaluru on August 11. It said that 293 persons have been arrested in connections with the riots so far. In this, 124 arrests were made in relation to the riots in DJ Halli Police Station case and the remaining 169 arrests were in relation to the riots in KG Halli Police Station case The NIA, in its statement, said that the riot led to fear and panic in the nearby areas and the cases pertain to large scale rioting armed with lethal weapons causing injuries to police personnel, destruction of public and private property including DJ Halli and KG Halli police stations buildings besides public and private vehicles. The NIA is probing two cases related to Bengaluru riots, including on SDPI's involvement. On August 11, an insidious Facebook post by Naveen Kumar, nephew of Congress MLA R. Akhanda Srinivasa Murthy led to violent protests by an enraged mob. The riots unleashed by a violent mob left four people killed in a police firing and as many as 60 police personnel were injured. Two police stations and the house of Congress MLA were torched. After taking over the investigation of the riots, the NIA had named SDPI leader Muzamil Pasha for "instigating the mob" to unleash violence on the streets. Meanwhile, the Bengaluru police that is probing this case in parallel to the NIA has arrested Congress leader and former Bengaluru Mayor R. Sampath Raj, who was absconding for several weeks after escaping for a hospital. Police had also arrested one of Raj's associates named Riyazuddin on November 16 for helping him escape, while a search is on for another Congress corporator on this count. The Bengaluru police had registered more than 60 FIRs in this case alone and subsequently followed it up with a 850-page preliminary charge sheet in October. /IANS