Four persons, including the key suspect, were arrested in connection with the murder of a local bus owner here on Friday last, police said.
The bus owner was murdered by a gang of four men in broad daylight on May 9.
The driver who was with the bus owner at the time of attack and another man who registered the complaint in Kadri police station, have also been detained by the police for interrogation.
Police said they were also investigating the underworld connection.
