Army Public School in Delhi Cantonment received a bomb threat email on Monday, prompting evacuation and a multi-agency search operation. Delhi Police, bomb disposal squad, dog squad and fire officials are conducting checks, while the cyber cell traces the email source. No suspicious item has been found so far

Delhi Police stepped up security at key religious and heritage sites, including Red Fort and Chandni Chowk, following intelligence inputs about a possible terror threat. Surveillance, vehicle checks and deployment of bomb squads have been intensified.