Bomb threat in Delhi, Dec. 3 -- Ramjas College and Deshbandhu College in Delhi were placed under heightened security on Wednesday after both institutions received a bomb threat via email, triggering a rapid response from the Delhi Police and the Bomb Disposal Team. Officers carried out extensive searches across both campuses, though no suspicious item has been recovered 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 an immediate deployment of police personnel and anti-sabotage teams.

The campuses were cordoned of...