Alwar/Jaipur, July 13 -- A week after a robbery at the residence of GST assistant commissioner Om Prakash in Alwar, police has arrested four of the five suspects allegedly involved in the heist and recreated the crime scene on Sunday, a senior officer said, adding that a fifth suspect remains at large. The four were arrested late on Saturday evening following an extensive investigation, police said. Addressing the media, Alwar superintendent of police Sudhir Chaudhary said the accused had meticulously planned the robbery. They did not use mobile phones during the operation, changed clothes five to six times at different locations, and relied on public transport to travel to and from the scene. Investigators scanned footage from nearly 600 CCTV cameras before zeroing in on the suspects. Jaipur range inspector general of police Rahul Prakash visited Alwar on Saturday before the arrests. He met the GST officer and assured him that the suspects would be apprehended swiftly. htc...