LUCKNOW, Oct. 9 -- A robber posing as a delivery boy allegedly targeted a flat at RSG Apartment in Vikas Nagar (Sector-7) and fled with cash and jewellery worth lakhs after making the house help unconscious by forcing her to inhale a substance, police said.

Though sources claimed that the role of the domestic help was under the scanner, Vikas Nagar SHO Alok Kumar Singh said investigations were underway.

According to police, the incident took place in the afternoon on October 6, and an FIR was registered on Wednesday under Sections 305A (theft in a dwelling house) and 123 (causing hurt by means of poison with intent to commit an offence) of the Bharatiya Nyaya Sanhita (BNS).

The complainant, Mahin Khan, stated that she had gone to her a...