Karnal, July 2 -- The four-year-old boy who fell into a 220-foot-deep open borewell in Ambala district on Tuesday morning was pulled out dead early on Wednesday following a 21-hour rescue operation. Police said the child, Nirvair Singh, was brought to the surface at 3.45am and rushed to the sub-divisional civil hospital in Ambala Cantonment, where doctors declared him brought dead. Dr Rishi Kamboj, medical officer, said the body arrived at around 4am. The post-mortem revealed multiple injuries to his head, chest, and knees. He said that the cause of death was a combination of these traumatic injuries and drowning. P5...