A woman died after drinking poisonous juice, offered by a doping gang member, in a running train, Meghna Express, in Laksham on Thursday night, said her husband.

Reba Begum, 27, of Rajbari Sadar, was thirsty when a man sitting beside them gave her a bottle of juice in Langolport area, said the husband, Rashedul Islam, adding that Reba started complaining about stomach and chest pain soon after that.

Reba died 40 minutes after the man got off at Laksham Railway Station. A case was filed in Chandpur.