Bomb threat in Delhi, Dec. 3 -- Ramjas College and Deshbandhu College in Delhi were placed under heightened security on Wednesday after both institutions received bomb threats via email, triggering a rapid response from the Delhi Police and the Bomb Disposal Team. Officers carried out extensive searches across both campuses, although police have not recovered any suspicious items so far, officials confirmed.

The threats were sent in separate emails to the two colleges, Delhi police said.

Deputy Commissioner of Police (North) Raja Banthia said the principal of Ramjas College alerted authorities shortly after the message arrived at 1.59 am, prompting the immediate deployment of police personnel and anti-sabotage teams.

Police cordoned of...