India, March 23 -- The suicide of a Punjab warehousing official has snowballed into a political flashpoint, with Union home minister Amit Shah on Monday offering a CBI probe into the matter if all MPs from the state submit a written request.

The development came as the family of the deceased officer, Gagandeep Singh Randhawa, issued a 24-hour ultimatum to the Punjab government to arrest former transport minister and Patti AAP MLA Laljit Singh Bhullar. Randhawa, the Amritsar district manager of the Punjab State Warehousing Corporation, allegedly consumed poison on Saturday after accusing Bhullar and his associates of relentless harassment over a warehouse tender.

Bhullar resigned from the Bhagwant Mann-led Aam Aadmi Party (AAP) cabinet o...