Location: Lahore, Multan, Rawalpindi, Faisalabad, Jhang, Bahawalpur, Rahim Yar Khan, Attock, Dera Ghazi Khan, Karachi, Peshawar, Hyderabad, Vehari, Taxila, Islamabad, Quetta
Time: 8:00 am to 9:00 pm
Date: 18 August, 2021
Event: 9th Muharram Procession
Details: Due to security situation and possible terrorist attack on 9th Muharram procession, government has suspended mobile services in major cities.
Source: https://www.pakistantoday.com.pk/2021/07/31/punjab-to-suspend-mobile-phone-services-on-ashura/
Kill Switch 2021 Timeline