Punjab Vigilance Bureau (VB) on Wednesday arrested Punjab Police Sub-Inspector (SI) Ram Singh, posted at Longowal police station, Sangrur district, while taking a bribe of Rs 5,000. Spokesperson said that the accused SI has been arrested on the complaint of one Harwinder Kumar from Longowal. The complainant alleged that he approached the police to take action on a theft complaint and the concerned SI Ram Singh has already taken Rs 5,000 as a bribe but is now demanding Rs 5,000 more to register a case on his complaint. After verification of the complaint, the VB laid a trap and the accused SI was arrested in the presence of two official witnesses.