After failing last night, Pakistan again tries drone attack? 'blast' heard, siren in these cities…

An Advisory has been issued in Chandigarh & Patiala for residents to remain indoors amid a possible air attack. Earlier, Sounds of blasts were heard in Jammu early Friday morning, triggering sounds of sirens and a blackout in the city. The blast sounds were heard around 4.15am. Watch for more details.