SANTINIKETAN: By stripping and waving his red underpants, a villager averted a major train accident early on Monday at Kopai in Birbhum district.Nimai Das was relieving himself near the tracks when he spotted a missing fish plate and saw an approaching train. Immediately he stripped himself and began waving his red under pants frantically to stop the Burdwan-bound Rampurhat-Burdwan train service, railway sources here said.The Howrah-bound Visva Bharati Express had passed some time back and a local train was approaching when Nimai Das spotted the death trap. His presence of mind saved many lives when the train stopped on Sahebgunge...