Jammu, May 2 -- A portion of a small bridge collapsed in the Bantalab area on the outskirts of Jammu city on Friday, trapping at least three to four labourers under the debris, while one injured worker was rescued, officials aware of the matter said. The incident occurred when labourers were carrying out repair work on a retaining wall near the bridge that was damaged in last year's flash floods, the officials said. Authorities have closed the road link following the collapse of the portion of the bridge. According to the officials, a section of the bridge suddenly gave way, burying workers at the site under the rubble. Police, Army and State Disaster Response Force teams launched rescue operations to extricate those buried under the debris...