NEW DELHI, Sept. 12 -- A Delhi Police assistant sub-inspector went missing on Wednesday morning after entering the Yamuna river near the old Wazirabad bridge for a ritual, officers said, adding that there was no trace of him till Thursday, even as search operations continued with the help of National Disaster Response Force (NDRF) divers. The missing officer was identified as Sanjay Kumar Thakur, 48, who was posted at the Tis Hazari court. His son Shashi Thakur informed the police control room at 11.56am on Wednesday. "His clothes and bike were found at the spot, but there was no sign of him," Shashi told police. A priest at the site, Sanjay Bharti, told investigators that Thakur reached the bank at around 8.30am. "He kept his clothes with ...