Chandigarh, Oct. 16 -- Three government schools in UT's Sectors 20, 23 and 32 received bomb threat emails at 9am on Thursday, warning that explosions would take place at 1pm. The email also threatened Punjab chief minister Bhagwant Mann's office and residence, made allegations against him over the killing of Parvinder Singh Jhota, and used objectionable language against Mann and DGP Gaurav Yadav. It mentioned different blast timings and listed names allegedly linked to the Khalistan National Army (KNA). UT police teams, along with bomb and dog squads, searched the premises but found nothing suspicious. Specialised police units are tracing the email's origin.htc...